Trochlea of humerus
|Bone: Trochlea of humerus|
|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.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Bones of upper limbs
|Pectoral girdle, clavicle||conoid tubercle - trapezoid line - costal tuberosity - subclavian groove|
|Scapula||fossae (subscapular, supraspinatous, infraspinatous) - suprascapular notch - glenoid cavity superior, lateral/axillary, medial/vertebral) - angles (superior, inferior, lateral)|
|Humerus||upper extremity: necks (anatomical, surgical) - tubercles (greater, lesser) - intertubercular sulcus lower extremity: capitulum - trochlea - epicondyles (lateral, medial) - supracondylar ridges (lateral, medial) - fossae (radial, coronoid, olecranon)|
|Forearm||radius: upper extremity (head, tuberosity) - body - lower extremity (ulnar notch, styloid process)|
ulna: upper extremity (tuberosity, olecranon, coronoid process, radial notch, trochlear notch) - body - lower extremity (head, styloid process)
|Hand||carpus: scaphoid - lunate - triquetral - pisiform - trapezium - trapezoid - capitate - hamate (hamulus) phalanges of the hand: proximal - intermediate - distal|
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