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[kris-tuh] /ˈkrɪs tə/
noun, plural cristae
[kris-tee] /ˈkrɪs ti/ (Show IPA).
Anatomy, Zoology.
a crest or ridge.
Origin of crista
1840-50; < Latin: a crest, tuft, comb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for crista


noun (pl) -tae (-tiː)
(biology) a structure resembling a ridge or crest, such as that formed by folding of the inner membrane of a mitochondrion
Word Origin
C20: from Latin: crest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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crista in Medicine

crista cris·ta (krĭs'tə)
n. pl. cris·tae (-tē)

  1. A ridge, crest, or elevated line projecting from a level or evenly rounded surface.

  2. One of the inward projections or folds of the inner membrane of a mitochondrion.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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crista in Science
Plural cristae (krĭs'tē)
Any of the folds of the inner membrane of a mitochondrion. See more at mitochondrion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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