mononuclear phagocyte system n.
Abbr. MPS A widely distributed collection of both free and fixed macrophages derived from bone marrow precursor cells by way of monocytes; their substantial phagocytic activity is mediated by immunoglobulin and by the serum complement system.
monocytosis mon·o·cy·to·sis (mŏn’ə-sī-tō’sĭs) n. An abnormal increase in the number of monocytes in the blood, occurring in infectious mononucleosis and certain bacterial infections such as tuberculosis. Also called monocytic leukocytosis.
monocytopenia mon·o·cy·to·pe·ni·a (mŏn’ə-sī’tə-pē’nē-ə) n. An abnormally low number of monocytes in the blood. Also called monocytic leukopenia.
- Monocytic leukocytosis
monocytic leukocytosis n. See monocytosis.
- Monocytic leukemia
monocytic leukemia n. Leukemia in which the blood contains large numbers of monocytes, characterized by swelling of the gums, oral ulcers, bleeding in the skin or mucous membranes, secondary infection, and an enlarged spleen.