Volar aspect of right hand

Digital tendon sheaths

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Image #103-6

Volar aspect of right hand

Digital tendon sheaths

The sheath has been cut away from the fourth finger and the flexor tendons have been elevated slightly.

1. Deep transverse metacarpal ligament
2. Ligament of digital sheath
3. Extensor expansion of third finger
4. Annular ligament of finger (part of sheath ligament)
5. Digital cruciate ligament (part of sheath ligament)
6. Phalanx III (periosteum removed)
7. Lumbrical muscles
8. Accessory slip of lumbrical muscle III
9. Accessory slip of lumbrical muscle IV
10. Flexor digitorum superficialis (tendon of insertion)
11. Flexor digitorum profundus muscle (tendon of insertion)