Olecranon fossa
The olecranon fossa is a deep triangular depression on the posterior side of the humerus, superior to the trochlea. It provides space for the olecranon of the ulna during extension of the forearm.
| Olecranon fossa | |
|---|---|
Left humerus. Posterior view (olecranon fossa visible at bottom center) | |
Left humerus. Posterior view (olecranon fossa visible at bottom center) | |
| Details | |
| Identifiers | |
| Latin | fossa olecrani |
| TA98 | A02.4.04.024 |
| TA2 | 1204 |
| FMA | 23450 |
| Anatomical terms of bone | |
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