1
.
| Ligament of digital sheath III |
2
.
| Proper palmar digital nerves of median nerve |
3
.
| Ligament of digital sheath IV |
4
.
| Tendon of digital sheath IV (inflated with air) |
5
.
| Lumbrical muscle IV |
6
.
| Anterior proper digital arteries |
7
.
| Anterior common digital artery |
8
.
| Lumbrical muscle III |
9
.
| Lumbrical muscle |
10
.
| Lumbrical muscle II |
11
.
| Anterior common digital artery (to thumb and index finger) |
12
.
| Median artery (large) |
13
.
| Anastomotic branch of median nerve with ulnar nerve |
14
.
| Lobule of fat beneath transverse carpal ligament |
15
.
| Sheath of common tendon of flexor muscles (ulnar bursa, inflated with air) |
16
.
| Ulnar artery |
17
.
| Flexor digitorum superficialis (communication between common synovial sheath and digital sheath obscured in this area by common digital artery) |
18
.
| Flexor digiti minimi muscle |
19
.
| Abductor digiti minimi muscle |
20
.
| Proper palmar digital nerves of ulnar nerve |
21
.
| Tendon of digital sheath V |
22
.
| Anterior common digital artery |
23
.
| Ligament of digital sheath V |