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Anatomy Atlases: Atlas of Human Anatomy in Cross Section: Section 4. Upper Limb

Atlas of Human Anatomy in Cross Section: Section 4. Upper Limb

Plate 4.40

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Jean J. Jew, M.D., and Paul C. Reimann, B.S.
Peer Review Status: Externally Peer Reviewed


Plate 4.40

Upper Left Quadrant

Lower Left Quadrant

Lower Right Quadrant

Upper Right Quadrant

1. Ventral fat pad, fourth digit
2. Tendon m. flexor digitorum profundus
3. Distal phalanx, fourth digit
4. Tendon m. extensor digitorum communis
5. Tendons mm. flexores digitorum superficialis and profundus

6. Middle phalanx, third digit
7. Fibrous digital sheath
8. Tendons mm. flexor digitorum superficialis and profundus
9. Dorsal digital a.
10. Proximal phalanx, fourth digit

11. Dorsal digital a.
12. Proximal phalanx, third digit
13. Tendons mm. interosseous and lumbrical
14. Mesotendon
15. Fibrous digital sheath
16. Tendon m. flexor digitorum superficialis
17. Tendon m. flexor digitorum profundus
18. Tendon m. extensor digitorum communis
19. Dorsal digital a.
20. Extensor expansion and tendons mm. interosseous and lumbrical
21. Middle phalanx, third digit

22. Proper palmar digital a. and palmar digital nerve
23. Tendon m. flexor digitorum profundus
24. Fibrous digital sheath
25. Middle phalanx, third digit
26. Fibrous digital sheath
27. Distal phalanx, third digit
28. Tendon m. flexor digitorum profundus

This section cuts through the middle and distal phalanges of the third and fourth digits. Fibrous digital sheaths (7, 15, 24, 26) containing the tendons of flexor digitorum superficialis (5, 8, 16) and profundus (2, 5, 8, 17, 23, 28) can be seen. The tendons of lumbrical and dorsal interosseous muscles are identified (13, 20).

A proper palmer digital artery (22) and dorsal digital arteries (9, 11, 19) can be seen.

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