Page 257 - Adams and Stashak's Lameness in Horses, 7th Edition

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Figure 3.46. (Continued) Dorsomedial to palmarolateral oblique 10. Sagittal ridge between the fovea on the base of the middle
(D35M‐PaLO) projection of the phalanges. (a) Proximal pha­ phalanx.
lanx, (b) middle phalanx, (c) navicular bone, and (d) distal phalanx. 11. Proximal border of the navicular bone.
1. Mediopalmar and dorsolateral cortices of the proximal phalanx. 12. Distal medial condyle of the middle phalanx.
2. Medullary cavity of the proximal phalanx, which can sometimes 13. Medial extremity of navicular bone.
be distinctly seen as a 2‐ to 3‐cm lucency in the center of the 14. Proximal part of the medial palmar process of the distal
proximal phalanx. phalanx.
3. Surface for attachment of the middle (oblique) distal sesamoid­ 15. Palmar part of the medial palmar process of the distal phalanx.
ean ligament. 16. Distal part of the medial palmar process of the distal phalanx.
4. Sagittal ridge on the proximal articular surface of the middle 17. Medial and lateral aspects of the coronary border of the
phalanx. articular surface on the distal phalanx.
5. Eminences for attachment of the medial and lateral collateral 18. Solar border of the distal phalanx.
ligaments of the proximal interphalangeal joint on the distal 19. Depression and bony prominence on the lateral parietal surface
aspect of the proximal phalanx. of the distal phalanx for lateral collateral ligament attachment.
6. Palmar border of the articular fovea on the base of the middle The bony prominence has a smooth surface and should not be
phalanx. mistaken for bone production.
7. Medial and lateral condyles of the distal aspect of the proximal 20. Extensor process of the distal phalanx.
phalanx. 21. Eminence on the dorsal surface of the middle phalanx for
8. Articular fovea on the base of the middle phalanx. collateral ligament attachment, which has a smooth surface and
9. Medial proximal eminence for attachment of the medial collateral should not be mistaken for periosteal bone production.
ligament and the medial branch of the tendon of the superficial 22. Dorsolateral articular border on the middle phalanx.
digital flexor on the middle phalanx.

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