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[meg-uh-luh-blast] /ˈmɛg ə ləˌblæst/
noun, Pathology.
an abnormally large, immature, and dysfunctional red blood cell found in the blood of persons with pernicious anemia or certain other disorders.
Origin of megaloblast
First recorded in 1895-1900; megalo- + -blast
Related forms
megaloblastic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for megaloblast


an abnormally large red blood cell precursor, present in certain types of anaemia
Derived Forms
megaloblastic (ˌmɛɡələʊˈblæstɪk) adjective
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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megaloblast in Medicine

megaloblast meg·a·lo·blast (měg'ə-lō-blāst')
An abnormally large nucleated red blood cell found especially in pernicious anemia or in certain vitamin deficiencies.

meg'a·lo·blas'tic 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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