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Sections of forearm and hand

Transverse section of distal third of hand

For permissions information regarding the use of these images, please contact Drew Bourn at dbourn@stanford.edu

Image #112-6
Bassett ImageDiagram Image
Legend Image
Sections of forearm and hand
Transverse section of distal third of hand
1 . Right pointer: Palmar aponeurosis Left pointer: Transverse fascicle of palmar aponeurosis
2 . Upper pointer: Flexor digitorum superficialis (tendon to fourth finger) Lower pointer: Flexor digitorum profundus muscle (tendon to fourth finger)
3 . Lumbrical muscle IV
4 . Right pointer: Flexor digitorum superficialis (tendon to fifth finger) Left pointer: Flexor digitorum profundus muscle (tendon to fifth finger)
5 . Flexor digiti minimi muscle
6 . Abductor digiti minimi muscle
7 . Hypothenar fascia
8 . Metacarpal V (head)
9 . Anterior interosseous fascia (continuous in this area with deep transverse metacarpal ligament)
10 . Anterior interosseous muscle III
11 . Dorsal interosseous muscle IV
12 . Dorsal interosseous fascia
13 . Common extensor digitorum muscle (tendon to fourth finger)
14 . Dorsal subcutaneous cleft
15 . Anterior interosseous muscle II
16 . Dorsal interosseous muscle III
17 . Dorsal subaponeurotic cleft
18 . Adductor pollicis muscle (aberrant bundle)
19 . Dorsal interosseous muscle II
20 . Anterior interosseous muscle I
21 . Dorsal metacarpophalangeal subcutaneous bursa
22 . Left pointer: Anterior common digital artery Right pointer: Common palmar digital nerve of median nerve
23 . Left pointer: Flexor digitorum superficialis (tendon to middle finger) Right pointer: Flexor digitorum profundus muscle (tendon to middle finger)
24 . Lumbrical muscle II
25 . Common palmar digital nerve of median nerve
26 . Left pointer: Flexor digitorum superficialis (tendon to index finger) Right pointer: Flexor digitorum profundus muscle (tendon to index finger)
27 . Lumbrical muscle I
28 . Dorsal interosseous muscle I