- Also called chromocenter. any of several masses of chromatin in the reticulum of a cell nucleus.
- a chromosome.
Origin of karyosome
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for karyosome
Each ♀ merozoite has a chromatic nucleus (n) without a karyosome.
- any of the dense aggregates of chromatin in the nucleus of a cell
- the nucleus of a cell
- An aggregation of chromatin in the nucleus of a cell not undergoing mitosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.