Bassett Collection of Stereoscopic Images of Human Anatomy

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KEYWORDS: Neuralnetwork, Upper arm, Vasculature.

Stanford holds the copyright to the David L. Bassett anatomical images and has assigned Creative Commons license Attribution-Share Alike 4.0 International to all of the images.

For additional information regarding use and permissions, please contact Dr. Drew Bourn at dbourn@stanford.edu.

Arm

Nerve supply to left coracobrachialis, biceps and brachialis muscles, medial view

The muscles have been retracted to show the course of the musculocutaneous nerve.

1 .	Radial nerve
2 .	Vertebral margin of scapula
3 .	Teres major muscle
4 .	Thoracodorsal artery
5 .	Latissimus dorsi muscle (tendon of insertion)
6 .	Triceps brachii muscle
7 .	Superior ulnar collateral artery
8 .	Ulnar nerve
9 .	Medial intermuscular septum
10 .	Median nerve
11 .	Brachial artery
12 .	Joint of humerus
13 .	Middle cord of brachial plexus
14 .	Upper pointer: Musculocutaneous nerve Lower pointer: Branches of musculocutaneous nerve (to coracobrachialis muscle)
15 .	Lateral head of median nerve
16 .	Posterior circumflex artery of humerus
17 .	Coracobrachialis muscle
18 .	Medial head of median nerve
19 .	Lymph node along course of deep brachial artery
20 .	Biceps brachii muscle (short head)
21 .	Biceps brachii muscle (long head)
22 .	Branches of musculocutaneous nerve (to biceps brachii muscle)
23 .	Muscular branch radial artery
24 .	Radial artery (note anomalous, but not infrequent, high origin from brachial artery)
25 .	Brachialis muscle
26 .	Lateral antebrachial cutaneous nerve
27 .	Branches of musculocutaneous nerve (to brachialis muscle)