Ulnar notch of the radius

The articular surface for the ulna is called the ulnar notch (sigmoid cavity) of the radius; it is in the distal radius, and is narrow, concave, smooth, and articulates with the head of the ulna forming the distal radioulnar joint.

"Sigmoid cavity" redirects here. For Greater sigmoid cavity, see Trochlear notch.
Ulnar notch of the radius
Bones of left forearm. Anterior aspect. (Ulnar notch visible but not labeled.)
Details
Identifiers
Latinincisura ulnaris radii
TAA02.4.05.019
FMA23530
Anatomical terminology

References

This article incorporates text in the public domain from page 220 of the 20th edition of Gray's Anatomy (1918)


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