[an-uh-pley-zhuh, -zhee-uh, -zee-uh]

noun Pathology.

the loss of structural differentiation within a cell or group of cells.

Origin of anaplasia

First recorded in 1905–10; ana- + -plasia Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for anaplasia



reversion of plant or animal cells to a simpler less differentiated form
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

anaplasia in Medicine




Reversion of cells to an immature or a less differentiated form, as occurs in most malignant tumors.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.