Head of ulna

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Head of ulna
Latin caput ulnae
Gray's p.218
Anatomical terms of bone

The head of ulna presents an articular surface, part of which, of an oval or semilunar form, is directed downward, and articulates with the upper surface of the triangular articular disk which separates it from the wrist-joint; the remaining portion, directed lateralward, is narrow, convex, and received into the ulnar notch of the radius.

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This article incorporates text from a public domain edition of Gray's Anatomy.