olecranon

A noun referring to the bony projection of the ulna that forms the prominent point of the elbow and articulates with the humerus during arm extension.

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1. Elbow bone projection C2 formal medical

   The large, thick, curved bony projection on the upper end of the ulna that forms the point of the elbow and fits into the olecranon fossa of the humerus when the arm is straightened.

   • The olecranon is easily felt as the prominent bump at the back of the elbow.
   • A fracture of the olecranon often occurs from a fall onto a bent elbow.
   • The triceps muscle attaches to the olecranon process of the ulna.

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• olecranons plural form
• olecranons' possessive plural form
• olecranon's possessive singular form