Article
Article
Centriole
Article By:
Sluder, Greenfield Worcester Foundation for Experimental Biology, Shrewsbury, Massachusetts.
Last reviewed:November 2019
DOI:https://doi.org/10.1036/1097-8542.119900
A morphologically complex cellular organelle at the focus of centrosomes in animal cells and some lower plant cells. Prokaryotes, some lower animal cells, higher plant cells, and a few exceptional higher animal cells do not have centrioles in their centrosomes. Centrioles typically are not found singly; the centrosome of higher animal cells contains a pair of centrioles (together called the diplosome), arranged at right angles to each other and separated by a distance ranging from 250 nanometers to several micrometers. See also: Centrosome
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