• WordNet 3.6
    • n olecranon process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
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Webster's Revised Unabridged Dictionary
    • n Olecranon (Anat) The large process at the proximal end of the ulna which projects behind the articulation with the humerus and forms the bony prominence of the elbow.
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Century Dictionary and Cyclopedia
    • n olecranon A process forming the upper or proximal end of the ulna. In man the olecranon forms most of the greater sigmoid cavity of the ulna, is received in the olecranon fossa of the humerus during extension of the forearm, and receives the insertion of the triceps extensor muscle. It forms the bony prominence of the back of the elbow. Also called anconeus process. See cut under forearm.
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Chambers's Twentieth Century Dictionary
    • n Olecranon ō-lē-krā′non a process forming the upper end of the ulna
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. ; elbow + krani`on the head
Chambers's Twentieth Century Dictionary


In literature:

At the same time, the olecranon is curved strongly downwards.
"On Some Fossil Remains of Man" by Thomas H. Huxley
At the same time, the olecranon is curved strongly downwards.
"Lectures and Essays" by T.H. Huxley
Insertion of this large muscular mass is effected by means of several tendons to the olecranon.
"Lameness of the Horse" by John Victor Lacroix
It may originate as an inflammation of the olecranon bursa, or may invade the bursa secondarily.
"Manual of Surgery" by Alexis Thomson and Alexander Miles
Draw and state the precise position of the hyoid bone, the clavicle, the calcaneum, and the olecranon process.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
It is the muscles of the olecranon which give way.
"Special Report on Diseases of the Horse" by United States Department of Agriculture
Platycnemism and the pierced olecranon run in groups for a time.
"Folkways" by William Graham Sumner
This is frequently the case in fractures of the patella, the olecranon, and the narrow part of the neck of the femur.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
Olecranon, the large process at the extremity of the larger bone of the fore-arm.
"A Manual of the Antiquity of Man" by J. P. MacLean
The olecranon process of the ulna being slightly developed, it follows that the olecranon fossa is not large; neither is the coronoid.
"Artistic Anatomy of Animals" by Édouard Cuyer

In news:

An ovoid density projects over the olecranon fossa on the anterioposterior (AP) view (Figure 2).