An abnormally large nucleated red blood cell found especially in people having pernicious anemia or certain vitamin deficiencies.
An abnormally large immature red blood cell (erythroblast) found especially in the blood of people with certain types of anemia and often associated with vitamin B12 deficiency.
An abnormally large red blood cell associated with pernicious anemia and with folic acid deficiency.
Origin of megaloblast
- megalo- +"Ž -blast