Left humerus. Posterior view. (Olecranon fossa visible at bottom center.)
|- style="text-align: center;" class="hiddenStructure"
| colspan="2" |
|- style="text-align: center; line-height: 1;" class="hiddenStructure"
| colspan="2" |
|- class="hiddenStructure"
|Latin
|colspan="2"|fossa olecrani
|- class="hiddenStructure"
|[[List of subjects in Gray's Anatomy:51#Gray.27s_page_.23|Gray's]]
|colspan="2"|[subject #51 ]
|- class="hiddenStructure"
|System
|colspan="2"|
|- class="hiddenStructure"
|Precursor
|colspan="2"|
|- class="hiddenStructure"
|MeSH
|colspan="2"|[]
|- class="hiddenStructure"
|Dorlands/Elsevier
|colspan="2"|[f_14/12376423]
|}
Above the back part of the trochlea of the humerus is a deep triangular depression, the olecranon fossa, in which the summit of the olecranon is received in extension of the forearm.