centriole definition - Dictionary

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centriole

cen·tri·ole [ séntree l ] (plural cen·tri·oles)

noun

Definition:

a rod-shaped structure in cell: in an animal cell, a two-part rod-shaped structure with the parts lying at right angles to each other, located in pairs near the nucleus. During cell division, centrioles move to opposite ends of the cell and form the poles of the spindle fibers that pull the chromosomes apart.

[Late 19th century. < modern Latin centriolum "small center" < Latin centrum (see center)]