Olecranon
Curved bony eminence of the ulna; forms the pointed part of the elbow
Olecranon
The olecranon (, from Greek olene 'elbow' and kranon 'head'), is a large, thick, curved bony process on the proximal, posterior end of the ulna. It forms the protruding part of the elbow and is opposite to the cubital fossa or elbow pit (trochlear notch). The olecranon serves as a lever for the extensor muscles that straighten the elbow joint.
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