mcv medical definition
mean corpuscular volume (MCV) the average volume of erythrocytes, conventionally expressed in cubic micrometers or femtoliters (Î¼m 3 = fL) per red cell, obtained by multiplying the hematocrit (in l/L) by 1000 and dividing by the red cell count (in millions per Î¼L): MCV = Hct/RBC.