Trochlea of humerus
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| Trochlea of humerus | |
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| Left humerus. Posterior view. (Trochlea visible near bottom.) | |
| Gray's | subject #51 212 |
The medial portion of the articular surface of the humerus is named the trochlea, and presents a deep depression between two well-marked borders; it is convex from before backward, concave from side to side, and occupies the anterior, lower, and posterior parts of the extremity.
It articulates with the ulna.
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