Schema of spinal nerve. Distribution of dorsal ramus to deep back muscles and skin of back.

Layers of the lower anterior abdominal wall.

Posterior view of the somatic nervous system, superimposed on outline of body.

Lateral view of a superificial dissection of the trunk showing external oblique muscle and lateral cutaneous nerves.

Superficial dissection of trunk, lateral view, showing superficial nerves and muscles.

Arch of the aorta and related vessels and nerves.

Anterior view of the posterior wall of axilla, musculocutaneous nerve and posterior cord; pectoralis major and minor muscle and the lateral and medial cords are reflected, and the arteries, veins, and median and ulnar nerves are removed.

Posterior view of porta hepatis and cystic artery. The attachments of the liver are severed, the inferior border of the liver is raised as indicated in orientation drawing.

Lateral aspect of leg and foot. C. Common fibular nerve, lateral view.

Superficial layers of anterior forearm muscles.

Medial view of superficial dissection of wrist and hand.

Occipital portion of skull (yellow).

Superficial nerves and veins.