Canadian Medical Guide > Anatomy > Cells > Connective Tissue Cells > Macrophages > Epithelioid Cells Terms and Definitions

Epithelioid Cells

Medical Definition:	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).
Guide Notes:	a type of macrophage; A 11 qualif; do not confuse with EPITHELIAL CELLS
Previously Indexed:	Epithelium (1966-1989),Macrophages (1966-1989)

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