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.
Radial notch | |
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Upper extremity of left ulna. Lateral aspect. (Radial notch visible at center top.) | |
Details | |
Identifiers | |
Latin | incisura radialis ulnae |
TA | A02.4.06.005 |
FMA | 23618 |
Anatomical terms of bone |
It is concave from before backward, and its prominent extremities serve for the attachment of the annular ligament.
Additional images
- Annular ligament of radius, from above.
References
This article incorporates text in the public domain from page 215 of the 20th edition of Gray's Anatomy (1918)
External links
- Right ulna (anterior - proximal end) - BioWeb at University of Wisconsin System
- elbow/elbowbones/bones3 at the Dartmouth Medical School's Department of Anatomy
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