epithelioid cells
In a general sense, a cell that has an appearance that is similar to that of epithelial cells: used specifically of the very flattened macrophages found in granulomas (eg. in tubercular lesions).

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Epithelioid cell — Epithelioid histiocytes (Epithelioid cells) are activated macrophages resembling epithelial cells:cite web |url=http://www.mercksource.com/pp/us/cns/cns hl dorlands split.jsp?pg=/ppdocs/us/common/dorlands/dorland/two/000018652.htm |title=Dorlands …   Wikipedia

  • Epithelioid — Ep i*the li*oid, a. [Epithelium + oid.] (Anat.) Like epithelium; as, epithelioid cells. [1913 Webster] || …   The Collaborative International Dictionary of English

  • epithelioid granuloma — epithelioid cell granuloma any granuloma characterized by epithelioid cells …   Medical dictionary

  • epithelioid cell — 1. a large polyhedral cell of connective tissue origin. 2. a type of highly phagocytic, modified macrophage, resembling an epithelial cell, having a large, pale, vesicular nucleus with abundant, eosinophilic cytoplasm. Epithelioid cells are… …   Medical dictionary

  • epithelioid sarcoma — a rare, frequently metastatic tumor consisting of lobulated masses of spindle cells and epithelioid cells surrounding a necrotic center; it usually arises in the deep soft tissues of the distal limbs of young adults, particularly males …   Medical dictionary

  • epithelioid — adjective Date: 1878 resembling epithelium < epithelioid cells > …   New Collegiate Dictionary

  • epithelioid — |epə|thēlēˌȯid adjective Etymology: epitheli + oid : resembling epithelium : like that of epithelium epithelioid cells …   Useful english dictionary

  • epithelioid hemangioendothelioma — a rare vascular neoplasm occurring in the medium to large veins of the distal extremities of adults, particularly young males; it may be benign or malignant and is characterized by proliferation of epithelioid or histiocytoid endothelial cells… …   Medical dictionary

  • epithelioid leiomyoma — a rare smooth muscle tumor, usually of the stomach, in which the cells are polygonal rather than spindle shaped; called also bizarre l. and leiomyoblastoma …   Medical dictionary

  • Leydig cells — see interstitial cells F. von Leydig (1821 1908), German anatomist * * * 1. clusters of epithelioid cells constituting the endocrine tissue of the testis, which elaborate androgens, chiefly testosterone; called also interstitial c s or… …   Medical dictionary

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