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).
a type of macrophage; A 11 qualif; do not confuse with EPITHELIAL CELLS
See AlsoGiant Cells
Other names Epithelioid Cell; Cells, Epithelioid; Cell, Epithelioid
