Page 299 - Adams and Stashak's Lameness in Horses, 7th Edition
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Figure 3.70. Dorsolateral to plantaromedial oblique (D45L‐PlMO)
projection of the metatarsus. (a) Third metatarsal bone, (b) second
metatarsal bone, and (c) fourth metatarsal bone.
1. Proximal extremity (base) of fourth metatarsal bone.
2. Articulation between the fourth metatarsal and the fourth tarsal
bone.
3. Articulation between the fourth and third metatarsal bones.
4. Interosseous space between the third and fourth metatarsal bones.
5. Plantarolateral border of second metatarsal bone.
6. Nutrient foramen on the plantar surface of the third metatarsal
bone.
7. Plantarolateral border of fourth metatarsal bone.
8. Dorsomedial border of fourth metatarsal bone.
9. Plantarolateral border of third metatarsal bone.
10. Endosteal surface on the plantarolateral cortex of third metatarsal
bone.
11. Dorsomedial surface of third metatarsal bone.
12. Endosteal surface on the dorsomedial cortex of third metatarsal
bone.
13. Dorsomedial surface of second metatarsal bone.
14. Articulation between the third tarsal and the third metatarsal bone.
15. Proximal extremity (base) of the second metatarsal bone superim
posed over the distal tarsal bones.
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