Page 282 - Adams and Stashak's Lameness in Horses, 7th Edition

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Figure 3.61. (Continued) Dorsolateral to palmaromedial oblique 16. Dorsomedial border of the third metacarpal bone.
(D45L‐PaMO) projection of the carpus. (a) Radius, (b) fourth 17. Dorsomedial border of the second metacarpal bone.
metacarpal bone, and (c) third metacarpal bone. 18. Palmarolateral border of the second metacarpal bones.
1. Physeal scar remaining after distal radial physeal closure. 19. Dorsomedial border of the fourth metacarpal bone.
2. Caudal aspect of the intermediate facet on the radial trochlea. 20. Palmarolateral border of the third metacarpal bone.
3. Caudal aspect of the medial facet (medial styloid process) on 21. Palmarolateral border of the fourth metacarpal bone.
the radial trochlea. 22. Palmarolateral aspect of the carpometacarpal joint between the
4. Cranial articular margin on the radial trochlea. fourth carpal bone and the third and fourth metacarpal bones.
5. Dorsomedial aspect of the antebrachiocarpal (radiocarpal) joint. 23. Palmar aspect of the carpometacarpal joint between the third
6. Dorsomedial border of the radial carpal bone. carpal and the third metacarpal bone.
7. Dorsomedial border of the intermediate carpal bone. 24. Tubercle on the palmarolateral border of the fourth carpal
8. Dorsomedial border of the ulnar carpal bone. bones.
9. Tubercles on the palmar surface of the radiocarpal bone. 25. Palmarolateral border of the third carpal bone.
10. Dorsomedial aspect of the midcarpal joint. 26. Palmarolateral border of the second carpal bone.
11. Dorsomedial border of the second carpal bone. 27. Dorsomedial border of the fourth carpal bone.
12. Transverse ridge on the dorsomedial border of the third carpal 28. Palmarolateral border of the ulnar carpal bone.
bone. 29. Palmarolateral border of the intermediate carpal bone.
13. First carpal bone, which is difficult to see on this projection 30. Palmarolateral border of the accessory carpal bone.
because of superimposition. 31. Lateral facet (lateral styloid process) on the radial trochlea.
14. Medial aspect of the carpometacarpal joint. 32. Medial, concave surface of the accessory carpal bone.
15. Dorsal aspect of the carpometacarpal joint. The multiple joint
spaces are associated with the carpometacarpal joint and vary
in appearance on different projection angles.

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