Page 253 - Adams and Stashak's Lameness in Horses, 7th Edition

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Figure 3.44. (Continued) Palmaroproximal to palmarodistal 5. Central eminence on the flexor surface of the navicular bone.
oblique (Pa45Pr‐PaDiO) projection of the distal phalanx and 6. Collateral (paracureal) sulci of the frog.
navicular bone (foot). This projection shows the navicular bone with 7. Semilunar line on the solar surface of the distal phalanx.
minimal superimposition over other bones. The angle of the X‐ray 8. Medial and lateral aspects of the solar border of the distal
beam and exposures are critical for eliminating projection artifacts, phalanx.
e.g. lack of good cortical and medullary cavity definition of 9. Distal part of the medial and lateral palmar processe
superimposition of the distal phalanx over the navicular bone. 10. Flexor surface of the navicular bone.
1. Palmar border of the middle phalanx. 11. Flexor cortex of the navicular bone.
2. Distal medial condyle of the middle phalanx. 12. Medullary (spongiosa) cavity of the navicular bone.
3. Articulation between the navicular bone and the middle phalanx. 13. Articular surface of the navicular bone.
4. Medial and lateral extremities of the navicular bone.

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