hematocrit

hematocrit /hemat″ōkrit/ [Gk, haima + krinein, to separate] , a measure of the packed cell volume of red cells, expressed as a percentage of the total blood volume. The normal range is between 43% and 49% in men and between 37% and 43% in women. Also spelled haematocrit. See also complete blood count, differential white blood cell count.