1
.
| Left pointer: Flexor digitorum superficialis (tendon) Right pointer: Lumbrical muscle I |
2
.
| Fibrous septum between palmar aponeurosis and anterior interosseous fascia (see text above) |
3
.
| Palmar aponeurosis |
4
.
| Flexor digitorum superficialis (tendons) |
5
.
| Opponens digiti minimi muscle |
6
.
| Abductor digiti minimi muscle |
7
.
| Metacarpal V |
8
.
| Common extensor digitorum muscle (tendons covered by dorsal fascial of the hand) |
9
.
| Dorsal subaponeurotic cleft |
10
.
| Hypothenar fascia |
11
.
| Dorsal interosseous fascia |
12
.
| Anterior interosseous fascia (note septa extending from this layer to metacarpals) |
13
.
| Anterior common digital artery and nerve |
14
.
| Mid-palmar space (cleft), exposed by anterior retraction of lumbrical muscle and synovial sheath |
15
.
| Sheath of common tendon of flexor muscles (tendons removed) |
16
.
| Superficial fascia (traversed by vertical fibrous septa between dermis and palmar aponeurosis) |
17
.
| Adductor fascia |
18
.
| Adductor pollicis muscle |
19
.
| Flexor pollicis longus muscle (within synovial sheath) |
20
.
| Phalanx I |
21
.
| Extensor pollicis longus muscle (tendon) |
22
.
| Flexor digitorum profundus muscle (tendons) |
23
.
| Dorsal interosseous muscles |
24
.
| Anterior interosseous muscles |
25
.
| Sesamoid bone |
26
.
| Flexor pollicis brevis muscle (insertion) |