Volar aspect of right hand

Carpal canal opened; fascia intact

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Image #102-7
Bassett ImageDiagram Image
Legend Image
Volar aspect of right hand
Carpal canal opened; fascia intact
The volar and transverse carpal ligaments, which together comprise the flexor retinaculum, have been resected to expose the contents of the carpal canal.
1 . Abductor pollicis brevis muscle
2 . Flexor pollicis brevis muscle (superficial head)
3 . Flexor pollicis brevis muscle (deep head)
4 . Opponens pollicis muscle
5 . Metacarpotrapezial joint capsule
6 . Abductor pollicis longus muscle (tendon of insertion)
7 . Extensor pollicis brevis muscle (tendon of insertion)
8 . Superficial anterior branch radial artery
9 . Palmar cutaneous branch of median nerve
10 . Flexor carpi radialis muscle (tendon of insertion)
11 . Radial artery
12 . Median artery (large)
13 . Flexor digitorum superficialis muscle
14 . Fascia within carpal tunnel (including sheath of common tendon of flexor muscles)
15 . Flexor carpi ulnaris muscle (tendon of insertion)
16 . Ulnar artery
17 . Transverse carpal ligament (divided)
18 . Median nerve
19 . Muscular branch of median nerve (recurrent branch)
20 . Opponens digiti minimi muscle