- 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 megaloblast
The megaloblast is probably a distinct cell, not merely a larger size of the normoblast.
Any nucleated red cell, but especially the megaloblast, may exhibit polychromatophilia.
- an abnormally large red blood cell precursor, present in certain types of anaemia
- An abnormally large nucleated red blood cell found especially in pernicious anemia or in certain vitamin deficiencies.