Open full size image Open full size image Overview The human nervous system consists of 30–40 billion nerve cells, which come into contact with each other via synapses. Functionally, the somatic (voluntary) nervous system is separated from the autonomic (involuntary)…
Open full size image Open full size image Overview The neck (collum, cervix) connects the head to the trunk. The respiratory and digestive tracts, the neurovascular pathways and the central nervous system are somatic connections using the neck as a…
Open full size image Open full size image Overview The ear is divided into the outer ear, middle ear and inner ear. Forming part of the outer ear are the auricula (Auricula pinna), the outer ear canal (Meatus acusticus externus)…
Open full size image Open full size image Overview The eye or organ of sight (Organum visus) is often referred to as the ‘gateway to the soul’ and is considered by many people to be the body's most important sensory…
Open full size image Open full size image Open full size image Overview The head (caput) is flexibly connected to the torso (trunk, Truncus) via the neck area. This allows one to direct the sensory organs of the head towards…
Open full size image Open full size image Overview There are good reasons to deal with the retroperitoneal situs of the abdomen (i. e. the organs which are not located in the peritoneal cavity, but at the dorsal wall) in…
Open full size image Open full size image Overview Opening the abdominal wall reveals a cavity filled with some smooth and some partially solid organs (viscera). In its entirety it is called the ‘situs’ of the abdominal organs. The inside…
Open full size image Open full size image Overview In a dissection course, the opening of the thoracic cavity is one of the key processes which is met by teachers and students with a mixture of awe, suspense and interest.…
Open full size image Overview The lower limb can be divided into the pelvic girdle and the leg. The pelvic girdle consists of the sacrum and the two hip bones. The leg is divided according to its joints into the…
Open full size image Open full size image Overview The upper limb includes the shoulder girdle and arm. The shoulder girdle consists of the clavicle and the shoulder blade on each side. The arm is subdivided by joints into the…