MRCP UK EXAMINATIONS

Detailed explanation-1: -Where are they located? Peyer’s patches are located in your small intestine, usually in the ileum area. The ileum is the last portion of your small intestine.

Detailed explanation-2: -Peyer’s patches are small masses of lymphatic tissue found throughout the ileum region of the small intestine. Also known as aggregated lymphoid nodules, they form an important part of the immune system by monitoring intestinal bacteria populations and preventing the growth of pathogenic bacteria in the intestines.

Detailed explanation-3: -The gut-associated lymphoid tissue (GALT) consists of isolated or aggregated lymphoid follicles forming Peyer’s patches (PPs). By their ability to transport luminal antigens and bacteria, PPs can be considered as the immune sensors of the intestine.

Detailed explanation-4: -Peyer’s patches are clusters of subepithelial, lymphoid follicles found in the intestine. They are oval or rectangular in shape and found on the antimesentric wall of the intestine. They are more prominent in ileum and are characterized by specialized epithelial cells called M cells.