Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
Anterior nasal spine
Body of mandible
Frontal bone
Frontal notch
Frontal process of maxilla
Glabella
Greater wing of sphenoid bone
Infra-orbital foramen
Infra-orbital margin
Inferior nasal concha
Inferior orbital fissure
Lacrimal bone
Lesser wing of sphenoid bone
Maxilla
Mental foramen
Mental protuberance
Middle nasal concha
Nasal bone
Nasal septum
Nasion
Orbit (orbital cavity)
Ramus of mandible
Superior orbital fissure
Supra-orbital foramen
Supra-orbital margin
Zygomatic bone
The term ‘skull’ includes the mandible, and ‘cranium’ refers to the skull without the mandible.
The calvarium is the vault of the skull (cranial vault or skull-cap) and is the upper part of the cranium that encloses the brain.
The front part of the skull forms the facial skeleton.
The supra-orbital, infra-orbital and mental foramina (24, 8 and 15) lie in approximately the same vertical plane.
Details of individual skull bones are given on pages 18–27 , of the bones of the orbit and nose on page 12 , and of the teeth on pages 13 and 16–19 .
Buccinator
Corrugator supercilii
Depressor anguli oris
Depressor labii inferioris
Levator anguli oris
Levator labii superioris
Levator labii superioris alaeque nasi
Masseter
Mentalis
Nasalis
Orbicularis oculi
Platysma
Procerus
Temporalis
Zygomaticus major
Zygomaticus minor
Basi-occiput
Body of sphenoid
Crista galli
Ethmoidal air cells
Floor of maxillary sinus (antrum)
Foramen rotundum
Frontal sinus
Greater wing of sphenoid
Internal acoustic meatus
Lambdoid suture
Lateral mass of atlas (first cervical vertebra)
Lesser wing of sphenoid
Mastoid process
Nasal septum
Anterior lacrimal crest
Anterior nasal spine with tympanic ring
Body of mandible
Condylar process of the mandible
Coronal suture
Coronoid process of mandible
External acoustic meatus of temporal bone
External occipital protuberance (inion)
Fossa for lacrimal sac
Frontal bone
Frontal process of maxilla
Frontozygomatic suture
Glabella
Greater wing of sphenoid bone
Inferior temporal line
Lacrimal bone
Lambdoid suture
Mastoid process of temporal bone
Maxilla
Mental foramen
Mental protuberance
Nasal bone
Nasion
Occipital bone
Orbital plate of ethmoid bone
Parietal bone
Pituitary fossa (sella turcica) (see Figure A on page 5 )
Posterior lacrimal crest
Pterion (encircled)
Ramus of mandible
Squamous part of temporal bone
Styloid process of temporal bone
Superior temporal line
Tympanic part of temporal bone
Zygomatic arch
Zygomatic bone
Zygomatic process of temporal bone
Pterion (29) is not a single point but an area where the frontal (10), parietal (26), squamous part of the temporal (31) and greater wing of the sphenoid bone (14) adjoin one another.
It is an important landmark for the anterior branch of the middle meningeal artery, which underlies this area on the inside of the skull ( page 17 ).
Aponeurosis of occipitofrontalis
Dura mater
Frontalis muscle (covered by loose areolar tissue)
Loose areolar tissue
Middle meningeal artery impression on dura mater
Parietal branch of the superficial temporal artery
Periosteum
Skin
Subcutaneous tissue
Temporal bone
Temporal fascia
Temporalis muscle
Scalp layers
S, skin; C, connective tissue; A, aponeurosis of occipitofrontalis; L, loose areolar tissue; P, periosteum.
See label list on page 4 for A and B labels
Buccinator
Corrugator supercilii
Depressor anguli oris
Depressor labii inferioris
Levator anguli oris
Levator labii superioris
Levator labii superioris alaeque nasi
Masseter
Nasalis
Occipital part of occipitofrontalis
Orbicularis oculi
Platysma
Procerus
Sternocleidomastoid
Temporalis
Temporomandibular joint
Zygomaticus major
Zygomaticus minor
The bony attachments of the buccinator muscle (1) are to the upper and lower jaws (maxilla and mandible) opposite the three molar teeth. (The teeth are identified on page 13 .)
The upper attachment of temporalis (upper 15) occupies the temporal fossa (the narrow space above the zygomatic arch at the side of the skull). The lower attachment of temporalis (lower 15) extends from the lowest part of the mandibular notch of the mandible, over the coronoid process and down the front of the ramus almost as far as the last molar tooth.
Masseter (8) extends from the zygomatic arch to the lateral side of the ramus of the mandible.
External occipital protuberance (inion)
Highest nuchal line
Inferior nuchal line
Lambda
Lambdoid suture
Occipital bone
Parietal bone
Parietal foramina
Sagittal suture
Superior nuchal line
See label list below for C and D.
Articular tubercle
External acoustic meatus
Horizontal plate of palatine bone
Inferior orbital fissure
Infratemporal crest
Infratemporal (posterior) surface of maxilla
Infratemporal surface of greater wing of sphenoid bone
Lateral pterygoid plate
Mandibular fossa
Mastoid notch
Mastoid process
Medial pterygoid plate
Occipital condyle
Occipital groove
Pterygoid hamulus
Pterygomaxillary fissure and pterygopalatine fossa
Pyramidal process of palatine bone
Spine of sphenoid bone
Styloid process
Third maxillary molar tooth
Tuberosity of maxilla
Vomer
Zygomatic arch
Bregma
Coronal suture
Frontal bone
Lambda
Lambdoid suture
Occipital bone
Parietal bone
Parietal eminence
Parietal foramen
Sagittal suture
In this skull, the parietal eminences are prominent (A8).
The point where the sagittal suture (A10) meets the coronal suture (A2) is the bregma (A1). At birth, the unossified parts of the frontal and parietal bones in this region form the membranous anterior fontanelle ( page 14 , D1).
The point where the sagittal suture (A10) meets the lambdoid suture (A5) is the lambda (A4). At birth, the unossified parts of the parietal and occipital bones in this region form the membranous posterior fontanelle ( page 14 , C13).
The label A3 in the centre of the frontal bone indicates the line of the frontal suture in the fetal skull ( page 14 , A5). The suture may persist in the adult skull and is sometimes known as the metopic suture.
The arachnoid granulations ( page 62 , B1), through which cerebrospinal fluid drains into the superior sagittal sinus, cause the irregular depressions (B2) on the parts of the frontal and parietal bones (B3 and 7) that overlie the sinus.
internal surface of the cranial vault, central part
Coronal suture
Depressions for arachnoid granulations
Frontal bone
Frontal crest
Groove for superior sagittal sinus
Grooves for middle meningeal vessels
Parietal bone
Parietal foramina
Sagittal suture
Apex of petrous part of temporal bone
Articular tubercle
Carotid canal
Condylar canal (posterior)
Edge of tegmen tympani
External acoustic meatus
External occipital crest
External occipital protuberance
Foramen lacerum
Foramen magnum
Foramen ovale
Foramen spinosum
Greater palatine foramen
Horizontal plate of palatine bone
Hypoglossal canal (proximal & distal openings)
Incisive fossa
Inferior nuchal line
Inferior orbital fissure
Infratemporal crest of greater wing of sphenoid bone
Jugular foramen
Lateral pterygoid plate
Lesser palatine foramina
Mandibular fossa
Mastoid foramen
Mastoid notch
Mastoid process
Medial pterygoid plate
Median palatine (intermaxillary) suture
Occipital condyle
Occipital groove
Palatine grooves and spines
Palatine process of maxilla
Pharyngeal canal
Petrosquamous fissure
Petrotympanic fissure
Pharyngeal tubercle
Posterior border of vomer
Posterior nasal aperture (choana)
Posterior nasal spine
Pterygoid hamulus
Pyramidal process of palatine bone
Scaphoid fossa
Spine of sphenoid bone
Squamotympanic fissure
Squamous part of temporal bone
Styloid process
Stylomastoid foramen
Superior nuchal line
Transverse palatine (palatomaxillary) suture
Tuberosity of maxilla
Tympanic part of temporal bone
Vomerovaginal canal
Zygomatic arch
The palatine processes of the maxilla (32) and the horizontal plate of the palatine bone (14) form the hard palate (roof of the mouth and floor of the nasal cavity).
The carotid canal (3), recognized by its round shape on the inferior surface of the petrous part of the temporal bone, does not pass straight upwards to open into the inside of the skull but takes a right-angled turn forwards and medially within the petrous temporal to open into the back of the foramen lacerum (9).
Green line = capsule attachments of atlanto-occipital and temporomandibular joints
Capsule attachment of atlanto-occipital joint
Capsule attachment of temporomandibular joint
Deep head of medial pterygoid
Levator veli palatini
Longissimus capitis
Longus capitis
Masseter
Musculus uvulae
Occipital part of occipitofrontalis
Palatopharyngeus
Pharyngeal raphe
Posterior belly of digastric
Rectus capitis anterior
Rectus capitis lateralis
Rectus capitis posterior major
Rectus capitis posterior minor
Semispinalis capitis
Splenius capitis
Sternocleidomastoid
Styloglossus
Stylohyoid
Stylopharyngeus
Superficial head of medial pterygoid
Superior constrictor
Superior oblique capitis
Tensor tympani
Tensor veli palatini
Trapezius
Upper head of lateral pterygoid
The medial pterygoid plate has no pterygoid muscles attached to it. It passes straight backwards, giving origin at its lower end to part of the superior constrictor of the pharynx (24).
The lateral pterygoid plate has both pterygoid muscles attached to it: medial and lateral muscles from the medial and lateral surfaces, respectively (3 and 29). The plate becomes twisted slightly laterally because of the constant pull of these muscles which pass backwards and laterally to their attachments to the mandible ( pages 18–19 ).
Anterior clinoid process
Arcuate eminence
Carotid groove
Clivus
Cribriform plate of ethmoid bone
Crista galli
Diploë
Dorsum sellae
Foramen caecum
Foramen lacerum
Foramen magnum
Foramen ovale
Foramen rotundum
Foramen spinosum
Frontal crest
Frontal sinus
Greater wing of sphenoid bone
Groove for anterior ethmoidal nerve and vessels
Groove for inferior petrosal sinus
Groove for sigmoid sinus
Groove for superior petrosal sinus
Groove for superior sagittal sinus
Groove for transverse sinus
Grooves for middle meningeal vessels
Hiatus and groove for greater petrosal nerve
Hiatus and groove for lesser petrosal nerve
Hypoglossal canal
Internal acoustic meatus
Internal occipital protuberance (position of confluence of sinuses)
Jugular foramen
Jugum of sphenoid bone
Lesser wing of sphenoid bone
Occipital bone (cerebellar fossa)
Optic canal
Orbital part of frontal bone
Parietal bone (postero-inferior angle only)
Petrous part of temporal bone
Pituitary fossa (sella turcica)
Posterior clinoid process
Prechiasmatic groove
Squamous part of temporal bone
Superior orbital fissure
Tegmen tympani
Trigeminal impression
Tuberculum sellae
Venous (emissary) foramen
The anterior cranial fossa (ACF) is limited posteriorly on each side by the free margin of the lesser wing of the sphenoid (32) with its anterior clinoid process (1), and centrally by the anterior margin of the prechiasmatic groove (40).
The middle cranial fossa (MCF) is butterfly-shaped and consists of a central or median part and right and left lateral parts. The central part includes the pituitary fossa (38) on the upper surface of the body of the sphenoid, with the prechiasmatic groove (40) in front and the dorsum sellae (8) with its posterior clinoid processes (39) behind. Each lateral part extends from the posterior border of the lesser wing of the sphenoid (32) to the groove for the superior petrosal sinus (21) on the upper edge of the petrous part of the temporal bone.
The posterior cranial fossa (PCF), whose most obvious feature is the foramen magnum (11), is behind the dorsum sellae (8) and the grooves for the superior petrosal sinuses (21).
For cranial dural attachments and reflections, see pages 59–62 .
Anterior ethmoidal foramen
Anterior lacrimal crest
Body of sphenoid bone, forming medial wall
Fossa for lacrimal sac
Frontal notch
Frontal process of maxilla, forming medial wall
Greater wing of sphenoid bone, forming lateral wall
Inferior orbital fissure
Infra-orbital foramen
Infra-orbital groove
Lacrimal bone, forming medial wall
Lesser wing of sphenoid bone, forming roof
Marginal tubercle
Maxilla, forming floor
Nasolacrimal canal
Optic canal
Orbital border of zygomatic bone, forming floor
Orbital part of frontal bone, forming roof
Orbital plate of ethmoid bone, forming medial wall
Orbital process of palatine bone, forming floor
Posterior ethmoidal foramen
Posterior lacrimal crest
Superior orbital fissure
Supra-orbital foramen
Zygomatic bone forming lateral wall
Zygomatico-orbital foramen
In this midline sagittal section of the skull, with the nasal septum removed, the superior and middle nasal conchae have been dissected away to reveal the air cells of the ethmoidal sinus, in particular the ethmoidal bulla (5).
Air cells of ethmoidal sinus
Clivus
Cribriform plate of ethmoid bone
Dorsum sellae
Ethmoidal bulla
Frontal sinus
Horizontal plate of palatine bone
Incisive canal
Inferior meatus
Inferior nasal concha
Lateral pterygoid plate
Left sphenoidal sinus
Medial pterygoid plate
Nasal bone
Nasal spine of frontal bone
Opening of maxillary sinus (maxillary antrum)
Palatine process of maxilla
Perpendicular plate of palatine bone
Pituitary fossa (sella turcica)
Pterygoid hamulus
Right sphenoidal sinus
Semilunar hiatus
Sphenopalatine foramen
Uncinate process of ethmoid bone
The roof of the nasal cavity consists mainly of the cribriform plate of the ethmoid bone (B3) with the body of the sphenoid containing the sphenoidal sinuses (B21 and 12) behind, and the nasal bone (B14) and the nasal spine of the frontal bone (B15) at the front.
The floor of the cavity consists of the palatine process of the maxilla (B17) and the horizontal plate of the palatine bone (B7).
The medial wall is the nasal septum which is formed mainly by two bones – the perpendicular plate of the ethmoid and the vomer – and the septal cartilage.
The lateral wall consists of the medial surface of the maxilla with its large opening (B16), overlapped from above by parts of the ethmoid (B1, 5 and 24) and lacrimal bones, from behind by the perpendicular plate of the palatine (B18), and below by the inferior concha (B10).
Ethmoid
Frontal
Lacrimal
Mandible
Maxilla
Nasal
Palatine
Sphenoid
Temporal
Zygomatic
First (central) incisor
Second (lateral) incisor
Canine
First premolar
Second premolar
First molar
Second molar
Third molar (wisdom tooth)
The corresponding teeth of the upper and lower jaws have similar names. In clinical dentistry, the teeth are usually identified by the numbers 1–8 (as listed here) rather than by name.
The third molar is sometimes called the wisdom tooth.
from the left and in front
orthopantomogram in a 6-year-old child
in a 4-year-old child with erupted deciduous teeth and unerupted permanent teeth
First (central) incisor of deciduous dentition
Second (lateral) incisor of deciduous dentition
Canine of deciduous dentition
First molar of deciduous dentition
Second molar of deciduous dentition
First (central) incisor of permanent dentition
Second (lateral) incisor of permanent dentition
Canine of permanent dentition
First premolar of permanent dentition
Second premolar of permanent dentition
First molar of permanent dentition
Second molar of permanent dentition
The deciduous molars occupy the positions of the premolars of the permanent dentition.
in old age, from the left
Angle
Body
Mental foramen
Ramus
With the loss of teeth, the alveolar bone becomes resorbed, so that the mental foramen (3) and mandibular canal lie near the upper margin of the bone.
The angle (1) between the ramus (4) and body (2) becomes more obtuse, resembling the infantile angle (as in E and F, above).
from the front
from the left and slightly below
from behind
from above
Anterior fontanelle
Coronal suture
Elevations over deciduous teeth in body of mandible
External acoustic meatus
Frontal suture (metopic suture)
Frontal tuberosity
Half of frontal bone
Lambdoid suture
Mastoid fontanelle
Maxilla
Occipital bone
Parietal tuberosity
Posterior fontanelle
Ramus of mandible
Sagittal suture
Sella turcica
Semicircular canals, superior
Sphenoidal fontanelle
Stylomastoid foramen
Symphysis menti
Tympanic ring
The face at birth forms a relatively smaller proportion of the cranium than in the adult (about one-eighth compared with one-half) because of the small size of the nasal cavity and maxillary sinuses and the lack of erupted teeth.
The posterior fontanelle (C13, E13) closes about 2 months after birth, the anterior fontanelle (A1, D1, F1) in the second year.
Owing to the lack of the mastoid process (which does not develop until the second year), the stylomastoid foramen (B19) and the emerging facial nerve are relatively near the surface and unprotected.
In this cast of fetal arteries, note in the front of the neck the dense arterial pattern indicating the thyroid gland (G), and above and in front of it the fine vessels outlining the tongue (T).
Superior nasal concha
Middle nasal concha
Inferior nasal concha
Palatine bone
See page 17 for additional label numbers.
NB: The perpendicular plate of the ethmoid has been removed to expose the conchae.
cleared specimen from the front, illuminated from behind
radiograph of facial bones, occipitofrontal view
Compare with the skull on [CR] .
Body of mandible
Crista galli
Ethmoidal air cells
Frontal crest
Frontal sinus
Greater wing of sphenoid bone
Inferior nasal concha
Infra-orbital margin
Lesser wing of sphenoid bone
Mastoid process
Maxillary sinus
Mental foramen
Nasal septum
Ramus of mandible
Root of lower lateral incisor
Root of upper central incisor
Superior orbital fissure
Supra-orbital margin
Zygomatic arch
The inside of the left half of the skull is seen from the right, with the bony part of the nasal septum (36 and 45) preserved.
Alveolar process of maxilla
Angle of mandible
Body of mandible
Clivus
Coronal suture
Crista galli of ethmoid bone
Dorsum sellae
External occipital protuberance
Frontal sinus
Groove for mylohyoid nerve
Groove for sigmoid sinus
Groove for superior petrosal sinus
Groove for transverse sinus
Grooves for middle meningeal vessels (anterior division)
Horizontal plate of palatine bone
Hypoglossal canal
Incisive canal
Internal acoustic meatus in petrous part of temporal bone
Internal occipital protuberance
Lambdoid suture
Lateral pterygoid plate
Left sphenoidal sinus
Lingula
Mandibular foramen
Margin of foramen magnum
Mastoid (posterior inferior) angle of parietal bone
Medial pterygoid plate
Mental protuberance
Mylohyoid line
Nasal bone
Occipital bone
Occipital condyle
Orbital part of frontal bone
Palatine process of maxilla
Parietal bone
Perpendicular plate of ethmoid bone
Pituitary fossa (sella turcica)
Posterior nasal aperture (choana)
Pterion (encircled)
Pterygoid hamulus of medial pterygoid plate
Ramus of mandible
Right sphenoidal sinus
Squamous part of frontal bone
Squamous part of temporal bone
Vomer
The bony part of the nasal septum consists of the vomer (45) and the perpendicular plate of the ethmoid bone (36). The anterior part of the septum consists of the septal cartilage ( pages 60 and 61 ).
In this skull, the sphenoidal sinuses (42 and 22) are large, and the right one (42) has extended to the left of the midline. The pituitary fossa (37) projects down into the left sinus (22).
The grooves for the middle meningeal vessels (14) pass upwards and backwards. The circle (39) marks the region of the pterion, and corresponds to the position shown on the outside of the skull on page 4 .
Alveolar part
Angle
Anterior border of ramus
Base
Body
Coronoid process
Digastric fossa
Head
Inferior border of ramus
Lingula
Mandibular foramen
Mandibular notch
Mental foramen
Mental protuberance
Mental tubercle
Mylohyoid groove
Mylohyoid line
Neck
Oblique line
Posterior border of ramus
Pterygoid fovea
Ramus
Sublingual fossa
Submandibular fossa
Superior and inferior mental spines (genial tubercles)
The head (8) and the neck (18, including the pterygoid fovea, 21) constitute the condyle.
The alveolar part (1) contains the sockets for the roots of the teeth.
The base (4) is the inferior border of the body (5), and becomes continuous with the inferior border (9) of the ramus (22).
Orthopantomogram
from the front
from behind
from the left and front
internal view from the left
Green line = capsular attachment of temporomandibular joint; blue line = limit of attachment of the oral mucous membrane; pale green line = ligament attachment
Anterior belly of digastric
Buccinator
Depressor anguli oris
Depressor labii inferioris
Genioglossus
Geniohyoid
Lateral pterygoid
Masseter
Medial pterygoid
Mentalis
Mylohyoid
Platysma
Pterygomandibular raphe and superior constrictor
Sphenomandibular ligament
Stylomandibular ligament
Temporalis
The lateral pterygoid (A7) is attached to the pterygoid fovea on the neck of the mandible (and also to the capsule of the temporomandibular joint and the articular disc – see page 42 , A27, A28).
The medial pterygoid (B9, C9) is attached to the medial surface of the angle of the mandible, below the groove for the mylohyoid nerve.
Masseter (C8) is attached to the lateral surface of the ramus.
Temporalis (C16) is attached over the coronoid process, extending back as far as the deepest part of the mandibular notch and downwards over the front of the ramus almost as far as the last molar tooth.
Buccinator (C2) is attached opposite the three molar teeth, at the back reaching the pterygomandibular raphe (C13).
Genioglossus (B5) is attached to the superior mental spine and geniohyoid (B6) to the inferior mental spine.
Mylohyoid (11) is attached to the mylohyoid line.
The attachment of the lateral temporomandibular ligament to the lateral aspect of the neck of the condyle is not shown.
external surface from the front
external surface from the left
from below
internal surface from above and behind (right half not shown; ethmoidal notch is inferior)
Anterior ethmoidal canal (position of groove)
Ethmoidal notch
Foramen caecum
Fossa for lacrimal gland
Frontal crest
Frontal sinus
Frontal tuberosity
Glabella
Inferior temporal line
Nasal spine
Orbital part
Position of frontal notch or foramen
Posterior ethmoidal canal (position of groove)
Roof of ethmoidal air cells
Sagittal crest
Superciliary arch
Superior temporal line
Supra-orbital margin
Supra-orbital notch or foramen
Trochlear fovea (or tubercle)
Zygomatic process
from the front
from the lateral side
from the medial side
from below
from above
from behind
Alveolar process
Anterior lacrimal crest
Anterior nasal spine
Anterior surface
Canine eminence
Canine fossa
Conchal crest
Ethmoidal crest
Frontal process
Greater palatine canal (position of groove)
Incisive canal
Incisive fossa
Inferior meatus
Infra-orbital canal
Infra-orbital foramen
Infra-orbital groove
Infra-orbital margin
Infratemporal surface
Lacrimal groove
Maxillary hiatus and sinus
Middle meatus
Nasal crest
Nasal notch
Orbital surface
Palatine process
Tuberosity
Unerupted third molar tooth
Zygomatic process
from the lateral (orbital) side
from the medial (nasal) side
Lacrimal groove
Lacrimal hamulus
Nasal surface
Orbital surface
Posterior lacrimal crest
from the lateral side
from the medial side
Internal surface and groove for anterior ethmoidal nerve
Lateral surface
from the medial side
from the lateral side
from the front
from behind
from above
from below
Conchal crest
Ethmoidal crest
Greater palatine groove
Horizontal plate
Lesser palatine canals
Maxillary process
Nasal crest
Orbital process
Perpendicular plate
Posterior nasal spine
Pyramidal process
Sphenoidal process
Sphenopalatine notch
Articulation of the right maxilla and the palatine bone, from the medial side
Horizontal plate of palatine
Maxillary process of palatine
Palatine process of maxilla
external aspect
internal aspect
from above
from below
from the front
Aqueduct of vestibule
Arcuate eminence
Articular tubercle
Auditory (eustachian) tube
Canal for tensor tympani
Canaliculus for tympanic branch of glossopharyngeal nerve
Carotid canal
Cochlear canaliculus
Edge of tegmen tympani
External acoustic meatus
Groove for middle temporal artery
Groove for sigmoid sinus
Groove for superior petrosal sinus
Grooves for branches of middle meningeal vessels
Hiatus and groove for greater petrosal nerve
Hiatus and groove for lesser petrosal nerve
Internal acoustic meatus
Jugular fossa
Jugular surface
Mandibular fossa
Mastoid canaliculus for auricular branch of vagus nerve
Mastoid notch
Mastoid process
Occipital groove
Parietal notch
Petrosquamous fissure (from above)
Petrosquamous fissure (from below)
Petrotympanic fissure
Petrous part
Postglenoid tubercle
Sheath of styloid process
Squamotympanic fissure
Squamous part
Styloid process
Stylomastoid foramen
Subarcuate fossa
Suprameatal triangle
Tegmen tympani
Trigeminal impression on apex of petrous part
Tympanic part
Zygomatic process
external surface
internal surface
Frontal (anterior) border
Frontal (antero-superior) angle
Furrows for frontal branch of middle meningeal vessels (anterior division)
Furrows for parietal branch of middle meningeal vessels (posterior division)
Groove for sigmoid sinus at mastoid angle
Inferior temporal line
Mastoid (postero-inferior) angle
Occipital (posterior) border
Occipital (postero-superior) angle
Parietal foramen
Parietal tuberosity
Sagittal (superior) border
Sphenoidal (antero-inferior) angle
Squamosal (inferior) border
Superior temporal line
lateral surface
from the medial side
from behind
Frontal process
Marginal tubercle
Maxillary border
Orbital border
Orbital surface
Temporal border
Temporal process
Temporal surface
Zygomatico-orbital foramen
Zygomaticofacial foramen
Zygomaticotemporal foramen
from the front
from behind
from above and behind
from below
from the left
from the right
from behind
Ala of vomer
Anterior clinoid process
Body with openings of sphenoidal sinuses
Carotid groove
Cerebral surface of greater wing
Dorsum sellae
Ethmoidal spine
Foramen ovale
Foramen rotundum
Foramen spinosum
Groove for nasopalatine nerve and vessels
Infratemporal crest of greater wing
Infratemporal surface of greater wing
Jugum
Lateral pterygoid plate
Lesser wing
Medial pterygoid plate
Optic canal
Orbital surface of greater wing
Posterior border of vomer
Posterior clinoid process
Prechiasmatic groove
Pterygoid canal
Pterygoid hamulus
Pterygoid notch
Pterygoid process
Rostrum
Scaphoid fossa
Sella turcica (pituitary fossa)
Spine
Superior orbital fissure
Temporal surface of greater wing
Tuberculum sellae
Vaginal process
from above
from the left
from the front
from the left, below and behind
Ala of crista galli
Anterior ethmoidal groove
Cribriform plate
Crista galli
Ethmoidal bulla
Ethmoidal labyrinth (containing ethmoidal air cells)
Middle nasal concha
Orbital plate
Perpendicular plate
Posterior ethmoidal groove
Superior nasal concha (meatus)
Uncinate process
from the lateral side
from the medial side
from behind
Anterior end
Ethmoidal process
Lacrimal process
Maxillary process
Medial surface
Posterior end
Articulation of right maxilla, palatine bone and inferior nasal concha, from the medial side
Anterior end of inferior nasal concha
Ethmoidal process of inferior nasal concha
Frontal process of maxilla
Horizontal plate of palatine
Lacrimal process of inferior nasal concha
Palatine process of maxilla
Perpendicular plate of palatine
Posterior end of inferior nasal concha
external surface from below
internal surface
external surface from the right and below
bones of the base of the skull
orange, occipital; red, temporal; blue, sphenoid
Basilar part
Cerebellar fossa
Cerebral fossa
Condylar fossa (and condylar canal in B and C)
Condyle
External occipital crest
External occipital protuberance
Foramen magnum
Groove for inferior petrosal sinus
Groove for sigmoid sinus
Groove for superior sagittal sinus
Groove for transverse sinus
Highest nuchal line
Hypoglossal canal
Inferior nuchal line
Internal occipital crest
Internal occipital protuberance
Jugular notch
Jugular process
Jugular tubercle
Lambdoid margin
Lateral angle
Lateral part
Mastoid margin
Pharyngeal tubercle
Squamous part
Superior angle
Superior nuchal line
Accessory nerve emerging from sternocleidomastoid
Accessory nerve passing under anterior border of trapezius
Angle of mandible
Anterior border of masseter and facial artery
Anterior jugular vein
Arch of cricoid cartilage
Body of hyoid bone
Clavicle
Clavicular head of sternocleidomastoid
Deltoid
External jugular vein
Hypoglossal nerve
Inferior belly of omohyoid
Infraclavicular fossa and cephalic vein
Internal laryngeal nerve
Isthmus of thyroid gland
Jugular notch and trachea
Laryngeal prominence (Adam's apple)
Lowest part of parotid gland
Mastoid process
Pectoralis major
Site for palpation of common carotid artery
Sternal head of sternocleidomastoid
Sternoclavicular joint and union of internal jugular and subclavian veins to form brachiocephalic vein
Sternocleidomastoid
Submandibular gland
Tip of greater horn of hyoid bone
Tip of transverse process of atlas
Upper trunk of brachial plexus
Vocal cord position
The pulsation of the common carotid artery (22, opposite page, 8) can be felt by backward pressure in the angle between the lower anterior border of sternocleidomastoid and the side of the larynx and trachea.
The cricoid cartilage (6) is about 5 cm (2 in) above the jugular notch of the manubrium of the sternum (17).
The lower end of the internal jugular vein lies behind the interval between the sternal (23) and clavicular (9) heads of sternocleidomastoid (when viewed from the front), just above the point where it joins the subclavian vein to form the brachiocephalic vein (24).
The trunks of the brachial plexus (29) can be felt as a cord-like structure in the lower part of the posterior triangle.
The lingual nerve (27) lies superficial to hyoglossus (17) and at this level is a flattened band rather than a typical round nerve, with the deep part of the submandibular gland (10) below it. The nerve crosses underneath the submandibular duct (51), lying first lateral to the duct and then medial to it.
The thyrohyoid membrane (60) is pierced by the internal laryngeal nerve (23) and the superior laryngeal artery (55).
Apart from supplying muscles of the tongue, the hypoglossal nerve (19) gives branches to geniohyoid (14) and thyrohyoid (59) and forms the upper root of the ansa cervicalis (62). These three branches consist of the fibres from the first cervical nerve that have joined the hypoglossal nerve higher in the neck; they are not derived from the hypoglossal nucleus. The C1 fibres in the upper root of the ansa contribute to the supply of sternohyoid (45) and omohyoid (21, 54).
Accessory nerve
Anterior belly of digastric and nerve
Ascending palatine artery
Auriculotemporal nerve
Buccinator
Capsule of temporomandibular joint
Cervical nerves to trapezius
Common carotid artery
Deep lingual artery
Deep part of submandibular gland
External carotid artery
External laryngeal nerve
Facial artery
Geniohyoid
Glossopharyngeal nerve
Great auricular nerve
Hyoglossus
Hyoid bone
Hypoglossal nerve
Inferior alveolar nerve
Inferior belly of omohyoid
Internal jugular vein
Internal laryngeal nerve
Lateral lobe of thyroid gland
Lesser occipital nerve
Levator scapulae
Lingual nerve
Linguofacial trunk
Lower root of ansa cervicalis
Middle thyroid vein
Molar salivary glands
Mylohyoid and nerve
Nerve to mylohyoid
Occipital artery
Parotid duct
Posterior auricular artery
Posterior belly of digastric
Ramus of mandible
Roots of phrenic nerve
Scalenus anterior
Scalenus medius
Splenius capitis
Sternocleidomastoid (cut)
Sternocleidomastoid branch of occipital artery
Sternohyoid
Sternothyroid
Styloglossus
Stylohyoid
Stylohyoid ligament
Sublingual gland
Submandibular duct
Superficial (transverse) cervical artery
Superficial temporal artery
Superior belly of omohyoid
Superior laryngeal artery
Superior thyroid artery
Superior thyroid vein
Temporalis
Thyrohyoid and nerve
Thyrohyoid membrane
Trapezius
Upper root of ansa cervicalis
Vagus nerve
Ventral ramus of fifth cervical nerve
Zygomatic arch
Accessory nerve
Brachial plexus (roots)
Cervical nerves to trapezius
Clavicle
Common carotid artery
Cricothyroid
Digastric, anterior belly
External carotid artery
Facial artery
Facial vein
Great auricular nerve
Hyoid bone, body
Inferior thyroid vein
Internal jugular vein
Laryngeal prominence
Mandible
Mylohyoid, anomalous fibres
Omohyoid, inferior belly (cut)
Omohyoid, superior belly (cut)
Parotid gland
Pectoralis major
Phrenic nerve
Platysma
Right brachiocephalic vein
Right subclavian vein
Scalenus anterior
Scalenus medius
Sternocleidomastoid, clavicular head
Sternocleidomastoid, sternal head
Sternohyoid (cut)
Subclavian artery
Subclavius
Submandibular gland
Superior laryngeal artery
Superior thyroid artery
Superior thyroid vein
Supraclavicular nerve
Suprascapular artery
Suprascapular vein
Tendon of scalenus anterior
Thyrohyoid
Thyroid gland, lateral lobe
Trapezius
Vagus nerve
On the right hand side, the clavicle (4) has been cut and reflected inferiorly to reveal the underlying subclavius (32). Dotted line is the level of axial CT (shown on the right).
Accessory nerve
Ansa cervicalis
Common carotid artery
Dorsal scapular nerve
External carotid artery
External laryngeal nerve
Facial artery
Facial vein
Fourth cervical nerve ventral rami
Great auricular nerve
Greater horn of hyoid bone
Hyoid bone
Hypoglossal nerve
Inferior belly of omohyoid
Inferior constrictor of pharynx
Inferior root of ansa cervicalis
Inferior thyroid artery
Internal carotid artery
Internal jugular vein (double at upper end)
Internal laryngeal nerve penetrating thyrohyoid membrane
Lesser occipital nerve
Levator scapulae
Lingual artery
Lingual vein
Marginal mandibular branch of facial nerve
Omohyoid tendon
Phrenic nerve
Posterior belly of digastric
Scalenus anterior
Scalenus medius
Second cervical nerve ventral rami
Sternocleidomastoid (cut)
Sternohyoid
Sternothyroid
Stylohyoid
Subclavian vein
Submental artery
Transverse cervical artery (superficial)
Superior belly of omohyoid
Superior laryngeal artery
Superior root of ansa cervicalis
Superior thyroid artery
Suprahyoid artery on hyoglossus
Suprascapular artery
Suprascapular nerve
Third cervical nerve ventral rami
The right lymphatic duct
Thyrocervical trunk
Thyrohyoid muscle and nerve to thyrohyoid
Upper trunk of brachial plexus
Vena comitans of hypoglossal nerve
Platysma and the deep cervical fascia have been removed.
In 20% of faces, as in this specimen, the marginal mandibular branch of the facial nerve (30) arches downwards off the face for part of its course and overlies the submandibular gland (46).
Accessory nerve
Anterior belly of digastric
Anterior jugular vein
Body of hyoid bone
Body of mandible
Buccal fat pad
Cervical branch of facial nerve
Cervical nerves to trapezius
Clavicular head of sternocleidomastoid
Common carotid artery
Dorsal scapular nerve
External carotid artery
External jugular vein
External laryngeal nerve
Facial artery
Facial vein
Great auricular nerve
Greater horn of hyoid bone (underlying 25)
Hyoglossus
Hypoglossal nerve
Inferior belly of omohyoid
Inferior constrictor of pharynx
Inferior thyroid vein
Internal carotid artery and superior root of ansa cervicalis
Internal laryngeal nerve
Jugulodigastric lymph nodes
Lesser occipital nerve
Lingual artery
Lingual vein
Marginal mandibular branch of facial nerve
Masseter
Mylohyoid
Nerve to thyrohyoid
Parotid gland
Phrenic nerve (on scalenus anterior)
Posterior auricular vein
Posterior belly of digastric
Posterior branch of retromandibular vein
Scalenus anterior
Scalenus medius
Sternal head of sternocleidomastoid
Sternocleidomastoid
Sternohyoid
Sternothyroid
Stylohyoid
Submandibular gland
Submental artery and vein
Superficial (transverse) cervical artery
Superficial (transverse) cervical vein
Superior belly of omohyoid
Superior laryngeal artery
Superior thyroid artery
Supraclavicular nerve (cut upper edge)
Suprahyoid artery
Suprascapular artery
Suprascapular nerve
Thyrohyoid
Thyrohyoid membrane
Thyroid gland (left lobe)
Trapezius
Upper trunk of brachial plexus
Ansa cervicalis, inferior branch
Ansa cervicalis, superior branch
Anterior belly of digastric
Anterior jugular vein
Brachial plexus (roots)
Buccinator
Common carotid artery
Depressor anguli oris
External carotid artery
External jugular vein
Facial artery
Facial vein
Great auricular nerve
Greater horn of hyoid bone
Hyoid bone
Hypoglossal nerve
Internal jugular vein
Internal laryngeal nerve
Lesser occipital nerve
Levator scapulae
Mandible
Masseter
Mylohyoid
Oblique line of the thyroid cartilage
Parotid gland and facial nerve branches at anterior border
Platysma
Posterior belly of digastric
Retromandibular vein
Scalenus anterior
Sternocleidomastoid
Sternohyoid
Sternothyroid
Submandibular gland
Superior belly of omohyoid (bifid-variation)
Superior laryngeal artery
Superior thyroid artery
Suprascapular artery
Thyrohyoid
Thyrohyoid membrane
Thyroid gland (right lobe)
Trapezius
Ascending pharyngeal artery
Branches of cervical plexus
C1 (descendens hypoglossi)
Common carotid artery
Cricothyroid artery
Digastric muscle (anterior belly)
External carotid artery
Facial nerve, marginal mandibular branch
Facial artery
Greater horn of the hyoid bone
Hypoglossal nerve
Internal carotid artery
Internal laryngeal nerve
Lingual artery
Masseter muscle
Mylohyoid muscle
Occipital artery
Omohyoid muscle (reflected)
Parotid gland (reflected)
Scalenus medius muscle
Scalenus posterior muscle
Sinus nerve to carotid sinus and body
Sternohyoid muscle
Sternocleidomastoid muscle (reflected)
Sternothyroid muscle (cut)
Stylohyoid muscle
Submental artery
Superior laryngeal artery
Superior thyroid artery
Thyroid gland (lateral lobe)
Trapezius muscle
Vagus nerve
Accessory nerve (cut)
Anterior belly of digastric
Ascending palatine artery
Ascending pharyngeal artery
Carotid sinus
Common carotid artery (cut)
External carotid artery (cut)
External laryngeal nerve
Facial artery
Glossopharyngeal nerve
Great auricular nerve
Hyoglossus
Hypoglossal nerve (cut)
Inferior constrictor
Inferior thyroid artery
Internal carotid artery
Internal jugular vein
Internal laryngeal nerve
Lateral lobe of thyroid gland
Lingual artery
Lingual nerve
Middle cervical sympathetic ganglion
Mylohyoid
Occipital artery (cut)
Phrenic nerve
Posterior belly of digastric (cut)
Recurrent laryngeal nerve
Scalenus anterior
Sternocleidomastoid (cut)
Sternohyoid (cut)
Sternothyroid (cut)
Styloglossus
Stylohyoid (cut end displaced medially)
Stylohyoid ligament
Stylopharyngeus
Sublingual gland
Submandibular duct
Submandibular ganglion
Superior belly of omohyoid (cut)
Superior laryngeal artery
Superior thyroid artery
Thyrohyoid and nerve
Upper root of ansa cervicalis
Vagus nerve
The hypoglossal nerve (13) passes downwards, curling around the occipital artery (24) and lying superficial to the external carotid (7) and lingual (20) arteries.
The glossopharyngeal nerve (10) passes downwards and forwards, curling round the lateral side of stylopharyngeus (35).
The removal of parts of the sternohyoid (30), omohyoid (39) and sternothyroid (31) displays the lateral lobe of the thyroid gland (19). Note the inferior thyroid artery (15) behind the lower part of the lobe, with the recurrent laryngeal nerve (27) passing deep to this looping vessel to enter the pharynx beneath the inferior constrictor (14).
Accessory phrenic nerve
Ansa subclavia
Arch of cricoid cartilage
Ascending cervical artery
Brachial plexus
Brachiocephalic artery
Capsule of sternoclavicular joint
Common carotid artery
Cricothyroid muscle
External carotid artery
External laryngeal nerve
First rib (sectioned)
Hypoglossal nerve
Inferior thyroid artery
Inferior thyroid veins
Internal carotid artery
Internal jugular vein
Internal thoracic artery
Internal thoracic vein
Isthmus of thyroid gland
Jugular lymphatic trunk
Lateral lobe of thyroid gland
Left brachiocephalic vein
Lung apex
Manubrium of sternum
Middle thyroid vein
Phrenic nerve
Right brachiocephalic vein
Scalenus anterior
Scalenus medius
Subclavian artery
Subclavian vein
Submandibular gland
Superficial (transverse) cervical artery
Superior thyroid artery and vein
Suprascapular artery
Thyrocervical trunk
Sternohyoid (cut)
Trachea
Vagus nerve
Ventral ramus of fifth cervical nerve
Vertebral vein
Accessory nerve (spinal root)
Anterior longitudinal ligament
Ascending cervical artery and vein
Ascending pharyngeal artery
Brachiocephalic artery
Dorsal scapular artery
Glossopharyngeal nerve
Inferior cervical ganglion
Inferior thyroid artery
Inferior vagal ganglion
Internal carotid artery
Internal carotid nerve
Internal jugular vein, upper end
Internal jugular vein, lower end
Internal thoracic artery
Jugular lymphatic trunk
Left brachiocephalic vein
Left common carotid artery
Left subclavian artery
Levator scapulae
Longus capitis
Longus colli
Mastoid process
Mediastinal lymphatic trunk
Meningeal branch of ascending pharyngeal artery
Middle cervical ganglion
Occipital artery
Oesophageal branch of inferior thyroid artery
Oesophagus
Phrenic nerve
Posterior belly of digastric
Rectus capitis lateralis
Recurrent laryngeal nerve
Right brachiocephalic vein
Right common carotid artery
Right lymphatic duct
Right subclavian artery
Scalenus anterior
Scalenus medius
Spine of sphenoid bone
Sternocleidomastoid
Subclavian vein
Superficial cervical artery
Superior cervical ganglion
Suprascapular artery
Sympathetic trunk
Thoracic duct
Thyrocervical trunk
Trachea
Transverse process of atlas
Tympanic part of temporal bone
Upper trunk of brachial plexus
Vagus nerve, on left
Vagus nerve, on right
Ventral ramus of third cervical nerve
Vertebral artery
Vertebral vein
The pulsation of the superficial temporal artery (6) is palpable in front of the tragus of the ear (26).
The parotid duct (20 and 21) lies under the middle-third of a line drawn from the tragus of the ear (26) to the midpoint of the philtrum (22).
The pulsation of the facial artery (4) is palpable where the vessel crosses the lower border of the mandible at the anterior margin of the masseter muscle, about 2.5 cm (1 in) in front of the angle of the mandible (3).
Ala
Alar groove (nasolabial groove)
Angle of mandible
Anterior border of masseter and facial vessels
Apex of external nose
Auriculotemporal nerve and superficial temporal vessels
Dorsum of nose
External aperture (anterior naris)
Frontal notch and supratrochlear nerve and vessels
Glabella of nose
Head of mandible
Infra-orbital foramen, nerve and vessels
Infra-orbital margin
Lateral angle of mouth
Lateral part of supra-orbital margin
Lower border of body of mandible
Lower border of ramus of mandible
Medial palpebral ligament anterior to lacrimal sac
Mental foramen, nerve and vessels
Parotid duct emerging from gland
Parotid duct turning medially at anterior border of masseter
Philtrum
Root of nose
Septum of nose (nasal columella)
Supra-orbital notch (or foramen), nerve and vessels
Tragus
Zygomatic arch
Accessory parotid gland overlying parotid duct
Anterior branch of superficial temporal artery
Auriculotemporal nerve and superficial temporal vessels
Body of mandible
Buccinator and buccal branches of facial nerve
Depressor anguli oris
Depressor labii inferioris
Facial artery
Facial vein
Frontalis part of occipitofrontalis
Great auricular nerve
Levator anguli oris
Levator labii superioris
Levator labii superioris alaeque nasi
Marginal mandibular branch of facial nerve
Masseter
Nasalis
Orbicularis oculi
Orbicularis oris
Parotid gland
Procerus
Sternocleidomastoid
Supra-orbital nerve
Supratrochlear nerve
Temporal branch of facial nerve
Temporalis underlying temporal fascia
Zygomatic branch of facial nerve
Zygomaticus major
Zygomaticus minor
Become a Clinical Tree membership for Full access and enjoy Unlimited articles
If you are a member. Log in here