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 | |
|---|---|
 Upper extremity of left ulna. Lateral aspect. (Radial notch visible at center top.) | |
| Details | |
| Identifiers | |
| Latin | incisura radialis ulnae |
| TA98 | A02.4.06.005 |
| TA2 | 1234 |
| 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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