Olecranon
Olecranon
The Olecranon (pronounced: oh-LEK-rah-non) is a prominent bony feature located directly under the skin of the elbow. It is the pointy part of the elbow that becomes easily noticeable when the arm is bent.
Etymology
The term "Olecranon" originates from the Greek words 'ὀλέκρανον' (olécranon), which means 'the tip of the elbow'. It is a compound of 'ὠλένη' (ōlénē), meaning 'elbow', and 'κρανίον' (kraníon), meaning 'head' or 'tip'.
Anatomy
The Olecranon is the near end of the Ulna, one of the two long bones in the forearm, the other being the Radius. It forms a hinge joint with the Humerus, the long bone in the upper arm, creating the elbow joint. The Olecranon serves as an attachment site for muscles such as the Triceps Brachii, which is responsible for the extension of the forearm.
Related Terms
- Ulna: The bone in the forearm that ends at the Olecranon.
- Radius: The other bone in the forearm, parallel to the Ulna.
- Humerus: The bone in the upper arm that forms a joint with the Olecranon.
- Triceps Brachii: The muscle that attaches to the Olecranon and allows for the extension of the forearm.
See Also
External links
- Medical encyclopedia article on Olecranon
- Wikipedia's article - Olecranon
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