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[kroh-muh-tol-uh-sis] /ˌkroʊ məˈtɒl ə sɪs/
noun, Cell Biology, Pathology.
the dissolution and disintegration of chromatin.
Origin of chromatolysis
First recorded in 1900-05; chromato- + -lysis
Related forms
[kruh-mat-l-it-ik, kroh-muh-tl-it-] /krəˌmæt lˈɪt ɪk, ˌkroʊ mə tlˈɪt-/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for chromatolysis
Historical Examples
  • Some of the cells of the anterior horn were swollen and the nuclei eccentric; chromatolysis had occurred in many of them.

    Handbook of Medical Entomology William Albert Riley
British Dictionary definitions for chromatolysis


(cytology) the dissolution of stained material, such as chromatin in injured cells
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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chromatolysis in Medicine

chromatolysis chro·ma·tol·y·sis (krō'mə-tŏl'ĭ-sĭs)
The disintegration of chromophil substance in a nerve cell body; it may occur after exhaustion of the cell or after damage to its peripheral process. Also called chromolysis.

chro·mat'o·lyt'ic (-māt'l-ĭt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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