histiocyte


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Related to histiocyte: Langerhans cell

his·ti·o·cyte

 (hĭs′tē-ə-sīt′)
n.
A macrophage or dendritic cell that is usually immobile and is found in organs and tissues.

[Greek histion, web, diminutive of histos; see stā- in Indo-European roots + -cyte.]

his′ti·o·cyt′ic (-sĭt′ĭk) adj.

histiocyte

(ˈhɪstɪəˌsaɪt)
n
(Physiology) physiol a macrophage that occurs in connective tissue
[C20: alteration of German histiozyt, from Greek histion a little web, from histos web + -cyte]
histiocytic adj
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.histiocyte - a macrophage that is found in connective tissue
connective tissue - tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments
macrophage - a large phagocyte; some are fixed and other circulate in the blood stream
References in periodicals archive ?
It involves overproduction of a type of white blood cell called a histiocyte.
These mineralized bodies range in diameter from 5 mm to 10 mm, look like owl eyes or ring particles and are present in intact histiocyte phagosomes.
Based on the results of LCH-III,[sup][4] a randomized international clinical trial embarked by the Histiocyte Society, an adjusted chemotherapeutic regimen of methotrexate (MTX) + vindesine (VDS) + PDN was pursued, i.
Similar to the morphologic findings of the presented case, diffuse infiltration of neoplastic B-cells, with or without histiocyte increase, with a background almost completely comprising of reactive small T-cells, is observed in T/HRBCL.
Rosai-Dorfman disease (RDD), also known as "sinus histiocytosis with massive lymphadenopathy," is a nonmalignant disease of histiocyte proliferation.
2'-Chlorodeoxyadenosine (2-CdA) as salvage therapy for Langerhans cell histiocytosis (LCH): results of the LCH-S-98 protocol of the Histiocyte Society.
Immunohhistochemical Marker Cell type CD45 CD21 CD23 CD35 SI00 CDla Langerin Fascin LCH LC (+) (-) (-) (-) (+) (+) (+) only + IDC (+) (-) (-) (-) (+) (-) (-) (+) Macrophage or (+) (-) (-) (-) (+/-) (-) (-) (+/-) histiocyte l/DDC (+) (-) (-) (-) (-/+) (-) (-) (+) pDC (-) (-) (-) (-) (-) (-) (-) (-) FDC (-) (+) (+) (+) (+/-) (-) (-) (+) FRC (+) (-) (-) (-) (-) (-) (-) Cell type Clusterin CD68 CD123 CD163 CD4 FXIIIa TCLI LC (-) (+) (-) (-) (+) (-) (-) IDC (-/+) (+/-) (-) (-) (+) (-) y Macrophage or (-) (+) (-) (+) (+) (-) (-) histiocyte l/DDC (-) (+) (-) (-) (+/-) (+) (-) pDC (-) (+) (+.
It is characterised by an abnormal increase in certain immune cells called histiocyte cells - which area form of white blood cells that help the immune system destroy foreign materials and fight infection.
F: Immunohistochemically positive immunoreactivity with histiocyte marker CD68 in multinuclear giant cells (immunostains, original magnification x400).
Interleukin-1 (IL-1), tissue necrosis factors-(alpha) (TNF-(alpha)) and interferon-(gamma) (INF-(gamma)) are reported to be important for histiocyte activation and the pathogenesis of HPS.