Corpus radii - Corpus radii


The body (shaft) of the radius is compressed in a craniocaudal direction and slightly curved in its length. 

Its cranial surface is smooth. Toward the distal end three grooves for tendons are obvious in ox and horses, from medial to lateral:

  • An oblique groove for tendon of abductor pollicis longus
  • A vertical groove for tendon of extensor radialis carpis
  • A vertical groove for tendon of common digital extensor

Its caudal surface is roughened in dogs and pigs or fused to the ulna in horses.

These surfaces are bounded by the lateral and medial borders.

Text by Antoine Micheau, MD - Copyright IMAIOS


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