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Description
It comprises four amino acids: alanine, glutamic acid, and glycine

Cytomegalovirus infections

Instead, it is more of an informal, descriptive term

Let dissolve

M-cells take up large antigens, macromolecular complexes, particulates, and proteins such as ferritin and peroxidase and also intact viruses, bacteria, and protozoa through a specific and regulated process termed receptor-mediated endocytosis in which cell-surface receptors such as GP2 recognize specific antigens expressed on microorganisms that initiate transit through the cell, exocytosis, and engulfment by phagocytic subepithelial dendritic cells (Fig
