- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for megaloblastic
We can now say that the megaloblastic metamorphosis is not a purposeful process, and for the following reasons: 1.
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.
- an abnormally large red blood cell precursor, present in certain types of anaemia
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
- An abnormally large nucleated red blood cell found especially in pernicious anemia or in certain vitamin deficiencies.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.