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Definition of Macrocytic

Macrocytic: Literally, referring to any abnormally large cell; in practice, referring to an abnormally large red blood cell. For example, macrocytic anemia is characterized by abnormally large red blood cells. The opposite of macrocytic is microcytic.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4236
Last Editorial Review: 3/19/2012

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