Sections of forearm and hand
Transverse section of hand near bases of fingers
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Image #112-7
Sections of forearm and hand
Transverse section of hand near bases of fingers
The capsules of the metacarpophalangeal joints are cut in this section, which passes across the heads of the second to fifth metacarpal bones.
- Anterior interosseous muscle I
- Dorsal interosseous muscle II
- Lumbrical muscle II
- Dorsal interosseous muscle III
- Anterior interosseous muscle II
- Ligament of digital sheath IV
- Proper palmar digital nerve of ulnar nerve
- Lumbrical muscle IV
- Deep transverse metacarpal ligament
- Dorsal interosseous muscle IV
- Digital sesamoid bones
- Abductor digiti minimi muscle
- Anterior interosseous muscle III (near insertion into extensor expansion)
- Extensor expansions
- Common extensor digitorum muscle (tendons blending with capsules of metacarpophalangeal joints)
- Subcutaneous dorsal metacarpophalangeal bursae
- Flexor digitorum superficialis (tendon to index finger)
- Flexor digitorum profundus muscle (tendon to index finger)
- Lumbrical muscle I
- Digital sesamoid bone
- Dorsal interosseous muscle I (insertion)
- Metacarpal I (head)
- Collateral ligament of metacarpophalangeal joint III