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lymphocytosis

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.03 sec.
lymphocytosis /lym·pho·cy·to·sis/ (-si-to´sis) an excess of normal lymphocytes in the blood or an effusion.
lym·pho·cy·to·sis (lmf-s-tss)
n.
A condition marked by an abnormal increase in the number of lymphocytes in the bloodstream, usually resulting from infection or inflammation. Also called lymphocythemia, lymphocytic leukocytosis.

lympho·cy·totic (-ttk) adj.

Lymphocytosis
A condition in which the number of lymphocytes increases above normal levels.
Mentioned in: Lymphocyte Typing

lymphocytosis
[lim′fōsītō′sis]
a proliferation of lymphocytes, as occurs in certain chronic diseases and during convalescence from acute infections.

lymphocytosis (lim´fōsītō´sis),
n an absolute or relative increase in the normal number of lymphocytes in the circulating blood. Various limits are given; e.g., absolute form is said to be present if the total number of cells exceeds 4500/mm3, whereas relative form is said to be present if the percentage of lymphocytes is greater than 45% and the total number of cells is less than 4500/mm3. It may be associated with infancy, exophthalmic goiter, mumps, rubella, infectious mononucleosis, sunburn, lymphatic leukemia, pertussis, and pyogenic infections in childhood.

lymphocytosis
increase in the number of normal lymphocytes in the blood or in an effusion.

lymphocytosis
Lymphocytic leukocytosis Hematology An absolute lymphocyte count of > 4000/mm3  in adults and > 8,000/mm3 in children


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0) ([paragraph]) Sep 23 Lymphocytosis (5,594); hyperglobulinemia ([double dagger]) (4.
The differential diagnosis of parotid gland enlargement in an HIV-positive patient includes reactive lymphadenopathy (follicular hyperplasia), parotid cyst formation, and diffuse infiltration of the gland by lymphoid elements accompanied by cystic dilation of the salivary ducts (diffuse infiltrative lymphocytosis syndrome).
32) Acute exercise rapidly causes leukocytosis and lymphocytosis, presumably because of cells released from the spleen, possibly through sympathetic activation of receptors on contractile elements and blood vessels of the spleen.
 
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