Bassett Collection Large Image - Lane Medical Library, Stanford University Medical Center

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

Right triceps muscle, posterior view

The long and lateral heads of the muscle have been separated to expose the radial nerve.

1 .	Upper pointer: Inferior transverse ligament of scapula Lower pointer: Transverse scapular artery
2 .	Neck of scapula
3 .	Joint capsule of humerus
4 .	Axillary artery
5 .	Triceps brachii muscle (long head)
6 .	Ulnar nerve
7 .	Olecranon
8 .	Spine of scapula
9 .	Acromioclavicular ligament
10 .	Supraspinatus muscle
11 .	Infraspinatus muscle
12 .	Teres minor muscle
13 .	Surgical neck of humerus
14 .	Teres major muscle
15 .	Radial nerve
16 .	Triceps brachii muscle (lateral head)
17 .	Brachioradialis muscle
18 .	Anconeus muscle