Keel
Keel (anatomy)
Keel (pronunciation: /kiːl/), in anatomical terms, refers to a ridge or a protrusion resembling the keel of a ship, often found in the sternum of birds and certain reptiles. The term is derived from the Old English 'cēol', which means ship.
Etymology
The term 'keel' is derived from the Old English 'cēol', which means ship. This is due to the resemblance of the anatomical structure to the keel of a ship. The term was first used in anatomical context in the 19th century.
Related Terms
- Sternum: The sternum or breastbone is a long flat bone located in the center of the chest. It connects to the ribs via cartilage and forms the front of the rib cage, thus helping to protect the heart, lungs, and major blood vessels from injury.
- Carina (anatomy): In anatomy, carina is a term that is used to refer to any ridge or similar structure. The most common usage of the term is in reference to the carina of the trachea, which is a ridge at the base of the trachea where it splits into the two primary bronchi.
- Bird anatomy: Bird anatomy, or the physiological structure of birds' bodies, shows many unique adaptations, mostly aiding flight. The keel is a significant part of a bird's anatomy, providing an anchor point for the bird's flight muscles.
See Also
External links
- Medical encyclopedia article on Keel
- Wikipedia's article - Keel
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