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megaloblast

[meg-uh-luh-blast]
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noun Pathology.
  1. an abnormally large, immature, and dysfunctional red blood cell found in the blood of persons with pernicious anemia or certain other disorders.
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Origin of megaloblast

First recorded in 1895–1900; megalo- + -blast
Related formsmeg·a·lo·blas·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for megaloblastic

Historical Examples

  • We can now say that the megaloblastic metamorphosis is not a purposeful process, and for the following reasons: 1.

    Histology of the Blood

    Paul Ehrlich

  • For this reason, the prognosis of megaloblastic anæmia, apart from the group of Bothriocephalus anæmia, is exceedingly bad.

  • Since the fresh formation of red blood corpuscles by means of the megaloblastic method is clearly much slower.

  • In agreement with this, "blood crises" are not to be observed in the megaloblastic anæmias.

British Dictionary definitions for megaloblastic

megaloblast

noun
  1. an abnormally large red blood cell precursor, present in certain types of anaemia
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Derived Formsmegaloblastic (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
megaloblastic in Medicine

megaloblast

(mĕg′ə-lō-blăst′)
n.
  1. An abnormally large nucleated red blood cell found especially in pernicious anemia or in certain vitamin deficiencies.
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Related formsmeg′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.