GENERAL HISTOLOGY

Detailed explanation-1: -Peyer’s patches are groupings of lymphoid follicles in the mucus membrane that lines your small intestine. Lymphoid follicles are small organs in your lymphatic system that are similar to lymph nodes.

Detailed explanation-2: -However, Peyer’s patches keep the intestinal flora at appropriate levels and the pathogens at bay, thereby preventing a large number of infections. As a part of the pathogenesis of food allergy, the Peyer’s patches and vasculature of lamina propria allow the circulation of inflammatory cells to the immune structures.

Detailed explanation-3: -Peyer patch, any of the nodules of lymphatic cells that aggregate to form bundles or patches and occur usually only in the lowest portion (ileum) of the small intestine; they are named for the 17th-century Swiss anatomist Hans Conrad Peyer.