Histiocytes

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Histiocytes

(wandering cells at rest; polyblasts; clasmatocytes), cells of reticular connective tissue in vertebrate animals and humans. Histiocytes are sharply contoured, with basophilic cytoplasm, in which there are often vacuoles and inclusions. The shape of the cell varies owing to its capacity for amoeboid movement. Histiocytes perform a protective function by trapping and digesting various foreign particles, including bacteria. In various types of irritations—for example, in inflammatory reactions—the histiocytes are activated and transformed into typical macrophages. Sometimes the cytoplasm of histiocytes forms short, rounded projections that break away from the body of the cell (clasmatosis). In embryos, histiocytes develop from the mesenchyme, and in the adult body they develop from undifferentiated cells of reticular connective tissue, reticular tissue, and certain kinds of blood cells—lymphocytes and monocytes.

E. S. KIRPICHNIKOVA

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No references found			Coagulative necrosis and an abundance of histiocytes can often be seen in KFD. Kikuchi-Fujimoto disease by Kulak, Jessica; Smith, Lee P.; Acar, Behram C.; Weed, Donald T. / Ear, Nose and Throat Journal Influenza A virus was localized to necrotic cells, which most frequently included blood vessel endothelium throughout the body (Figure, panel D), cardiac myocytes (Figure, panel E), pulmonary histiocytes and heterophils (Figure, panel D), neurons and glial cells in the brain, splenic histiocytes and cellular debris, and renal tubular epithelium. Phylogenetics and pathogenesis of early avian influenza viruses ... by Aiki-Raji, Comfort O.; Aguilar, Patricia V.; Kwon, Yong-Kuk; Goetz, Sue; Suarez, David L.; Jethra, A / Emerging Infectious Diseases Patient 1 A 10-year-old girl developed a decline of her platelet count to 1,000 cu/mm, coupled with striking enlargement of the liver and spleen, and a marked increase in histiocytes in the bone marrow. Aspartame-induced thrombocytopenia by Roberts, H.J. / Southern Medical Journal			hisoperon Hispania Hispania Citerior Hispania Ulterior Hispanic Hispanic Colonial architecture Hispanic Heritage Month Hispaniola Hispar hispid hispidulous hiss Hiss, Alger Hissar Hissar Culture Hissarlik hissu Histamine Histeridae Histeroidea histidase Histidine histidine-kinase-associated receptor histidinemia histiocyte Histiocytes histiocytoma histiocytosis Histioteuthidae Histochemistry histocompatibility histocompatibility gene histodifferentiation histogen Histogenesis Histogram Histoincompatibility histologist Histology histolysis Histomoniasis histomycosis histone Histones histopathology histophysiology Histoplasma Histoplasma capsulatum histoplasmin histoplasmin test histoplasmoma			histidine decarboxylase histidine decarboxylase Histidine metabolism Histidine metabolism Histidine metabolism Histidine residue at 508 Histidine Rich Protein 2 Histidine Transport Regulator-3 Histidine Triad Histidine Triad Nucleotide-Binding Protein histidine-kinase-associated receptor Histidine-Proline Rich Glycoprotein Histidine-Rich Glycoprotein Histidine-Rich Protein 1 Histidine-Rich Protein I histidinemia histidinemia Histidines Histidines Histidines histidinuria histidyl histio- histioblast Histiocephalus histiocyte histiocyte histiocyte Histiocyte Society Histiocyte-Rich B-Cell Lymphoma Histiocytes histiocytic histiocytic histiocytic histiocytic encephalitis histiocytic encephalitis histiocytic encephalitis histiocytic gastritis histiocytic gastritis histiocytic gastritis histiocytic lesion Histiocytic lesions-Behavior classification histiocytic leukaemia histiocytic leukemia histiocytic leukemia histiocytic leukemia histiocytic lymphocyte histiocytic lymphocyte histiocytic lymphocyte histiocytic lymphoma histiocytic lymphoma histiocytic lymphoma histiocytic malignant lymphoma histiocytic medullary reticulosis histiocytic medullary reticulosis histiocytic necrotizing lymphadenitis Histiocytic proliferations, histiocytic ulcerative colitis histiocytic ulcerative colitis histiocytic ulcerative colitis histiocytoma

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