Cell
epithelioid cell
Subclass of:
macrophage
Definitions related to epithelioid cells:
  • A cell of mononuclear phagocyte system origin that resembles an epithelial cell and is involved in immune granuloma formation.
    NCI
    U.S. National Cancer Institute, 2021
  • Characteristic cells of granulomatous hypersensitivity. They appear as large, flattened cells with increased endoplasmic reticulum. They are believed to be activated macrophages that have differentiated as a result of prolonged antigenic stimulation. Further differentiation or fusion of epithelioid cells is thought to produce multinucleated giant cells (GIANT CELLS).
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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