- a chromosome thread that is relatively uncoiled at early prophase but assumes a spiral form at metaphase.
Origin of chromonema
1920–25; chromo- + Greek nêma thread
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the coiled mass of threads visible within a nucleus at the start of cell division
- a coiled chromatin thread within a single chromosome
C20: from chromo- + Greek nēma thread, yarn
- The coiled filament that extends the entire length of a chromosome and on which the genes are located.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.