Olecranon fossa

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Bone: Olecranon fossa
Left humerus. Posterior view. (Olecranon fossa visible at bottom center.)
Latin	fossa olecrani
Gray's	subject #51 212
Dorlands / Elsevier	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.

[edit] External links

• Bioweb at UWLAX aplab
• Photo of model at Waynesburg College skeleton3/olecranonfossa
• Norman/Georgetown radiographsul (xrayelbow)
• Imaging at umich.edu

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 As such, some of the information contained herein may be outdated.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.

v • d • e Bones of upper limbs Pectoral girdle, clavicle conoid tubercle - trapezoid line - costal tuberosity - subclavian groove Scapula fossae (subscapular, supraspinatous, infraspinatous) - suprascapular notch - glenoid cavity tubercles (infraglenoid, supraglenoid) - spine of scapula - acromion - coracoid process borders (superior, lateral/axillary, medial/vertebral) - angles (superior, inferior, lateral) Humerus upper extremity: necks (anatomical, surgical) - tubercles (greater, lesser) - intertubercular sulcus body: radial sulcus - deltoid tuberosity 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) metacarpus: 1st metacarpal - 2nd - 3rd - 4th - 5th phalanges of the hand: proximal - intermediate - distal