an increased proportion of one or more types of leukocytes in the circulating blood, without an actual increase in the total number of white blood cells.
rel·a·tive leu·ko·cy·to·sis
(rel'ă-tiv lū'kō-sī-tō'sis) An increased proportion of one or more types of leukocytes in the circulating blood, without an actual increase in the total number of white blood cells.