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microfold cells


Definition: specialized intestinal epithelial cells found in association with the lymphoid follicles, as in Peyer patches of the ileum; characterized by elaborate invaginations of their apical cell surface that harbor numerous lymphocytes and macrophages; believed to phagocytose antigens and present them to underlying lymphoid cells.

Synonym(s): M cell

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.