Crista
Crista
Crista (/ˈkristə/; plural: cristae) is a term used in anatomy and cell biology to refer to certain distinctive structures within the body or within cells.
Pronunciation
- IPA: /ˈkristə/
Etymology
The term "crista" is derived from the Latin word for "crest". In the context of anatomy and cell biology, it is used to describe a ridge or crest-like structure.
Definition
In anatomy, a crista is a ridge or crest-like structure on a bone. For example, the crista galli is a prominent ridge of the ethmoid bone in the skull.
In cell biology, the term "crista" is used to refer to the inner membrane folds of a mitochondrion. These folds increase the surface area of the inner mitochondrial membrane, enhancing its ability to produce ATP, the energy currency of the cell.
Related Terms
- Crista galli: A ridge of bone in the skull that projects from the cribriform plate of the ethmoid bone.
- Crista terminalis: A ridge in the right atrium of the heart.
- Mitochondrion: A double-membraned organelle found in most eukaryotic organisms.
- ATP: Adenosine triphosphate, the main source of energy in cells.
See Also
External links
- Medical encyclopedia article on Crista
- Wikipedia's article - Crista
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