Radial notch
Radial notch
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Radial notch

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Radial notch

The radial notch of the ulna (lesser sigmoid cavity) is a narrow, oblong, articular depression on the lateral side of the coronoid process; it receives the circumferential articular surface of the head of the radius.

It is concave from before backward, and its prominent extremities serve for the attachment of the annular ligament.

Public domain This article incorporates text in the public domain from page 215 of the 20th edition of Gray's Anatomy (1918)

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