noun Physiology, Pathology.
an increase in the number of white blood cells in the blood.
Origin of leukocytosis
Related formsleu·ko·cy·tot·ic [loo-koh-sahy-tot-ik] /ˌlu koʊ saɪˈtɒt ɪk/, adjective
From New Latin,
dating back to 1865–70;
see origin at leukocyte
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for leukocytosis
Historical Examples of leukocytosis
Leukocytosis may or may not occur in these conditions, and is not important.
The infectious diseases in which leukocytosis is absent (p. 160) often cause a slight decrease of leukocytes.
Chemotaxis alone will not explain the continuance of leukocytosis for more than a short time.
Although the number of leukocytes bears no relation to the anemia, leukocytosis is common, being due to the same cause.
This cell never appears in normal blood; extremely rarely in leukocytosis; and never abundantly in lymphatic leukemia.
n. pl. leu•ko•cy•to•ses (-sēz)
Related formsleu′ko•cy•tot′ic (-tŏt′ĭk) adj.
An abnormally large increase in the number of white blood cells in the blood, often occurring during an acute infection or inflammation.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.