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contractile ring

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contractile ring [kən′trak·təl ‚riŋ]
(cell and molecular biology)
A cytoskeletal structure that forms in animal cells and many unicellular eukaryotes during cell division, contraction of which causes the plasma membrane to pinch inward and the cell to divide.


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The scientists also obtained images of cell division and found other evidence of myocyte replication, including the formation of the mitotic spindle, and contractile ring, critical structural indicators of cell division.
 
 
 
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