centromere: Meaning and Definition of

cen•tro•mere

Pronunciation: (sen'tru-mēr"), [key]
— n. Cell Biol.
  1. a specialized structure on the chromosome, appearing during cell division as the constricted central region where the two chromatids are held together and form anshape.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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