PANCREAS ANATOMY AND HISTOLOGY The pancreas is a retroperitoneal organ that lies in an oblique position, where it slopes upward from the duodenum to the hilum of the spleen. The pancreas is 15 to 20 cm long and weighs 75…
DIFFERENTIATION OF GONADS FACTORS INFLUENCING NORMAL AND ABNORMAL GONADAL DIFFERENTIATION Whether the primordial gonad differentiates as a testis or as an ovary is determined by genetic information coded on the X and Y chromosomes. The differentiation of all the other…
Plate 3-1 Open full size image DEVELOPMENT OF THE ADRENAL GLANDS The detailed anatomy of the adrenal glands was first described by Bartholomeo Eustacius in 1563. Each adrenal gland consists of two parts—the cortex and medulla—that are enveloped in a…
ANATOMY OF THE THYROID AND PARATHYROID GLANDS Located between the larynx and the trachea medially and the carotid sheath and the sternomastoid muscles laterally, the thyroid gland weighs 15 to 25 g. The lateral thyroid lobes are 3 to 4…
DEVELOPMENT OF THE PITUITARY GLAND The pituitary gland, also termed the hypophysis , consists of two major components, the adenohypophysis and the neurohypophysis. The adenohypophysis (anterior lobe) is derived from the oral ectoderm, and the neurohypophysis (posterior lobe) is derived…
1 Head and Neck Study Guide 1.1 Topographic Surface Anatomy Study Aims At the end of your study, you should be able to: Identify the key landmarks in the midline of the neck and their significance State the structures that…
Section 1 Introduction Plates 1–21 Plate 1 Body Planes and Terms of Relationship This plate summarizes anatomical planes of study and terms of anatomical relationship. Note that in these images, the subject is always in a consistent anatomical position, with the head…
Surface Anatomy 491‒494 Hip, Buttock, and Thigh 495‒515 Knee 516‒523 Leg 524‒534 Ankle and Foot 535‒549 Nerves 550‒554 Regional Imaging 555‒556 Structures with High Clinical Significance Tables 8.1‒8.2 Nerves of Lumbosacral Plexus Tables 8.3‒8.4 Muscles Tables 8.5‒8.8 Electronic Bonus Plates…
Surface Anatomy 422‒426 Shoulder and Axilla 427‒439 Arm 440‒445 Elbow and Forearm 446‒461 Wrist and Hand 462‒481 Nerves and Vasculature 482‒489 Regional Imaging 490 Structures with High Clinical Significance Tables 7.1‒7.2 Nerves of Brachial Plexus Tables 7.3‒7.4 Muscles Tables 7.5‒7.8…
Surface Anatomy 352 Bony Pelvis 353‒357 Pelvic Diaphragm and Viscera 358‒368 Urinary Bladder 369‒371 Female Internal Genitalia 372‒376 Female Perineum and External Genitalia 377‒380 Male Perineum and External Genitalia 381‒388 Homologies of Male and Female Genitalia 389‒390 Male Internal Genitalia…