monocytosis

[mŏn′ə-sī-tōsĭs]
n.
  1. An abnormal increase in the number of monocytes in the blood, occurring in infectious mononucleosis and certain bacterial infections such as tuberculosis.monocytic leukocytosis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.