MICROANATOMY

Detailed explanation-1: -Answer and Explanation: Peyer’s patches are clumps of lymph follicles present at the distal portion of the small intestine called the ileum.

Detailed explanation-2: -Peyer’s patches are found in the small intestine, it is a secondary lymphoid tissue and it is the component of GALT. They are groups of lymphatic tissues in the submucosa layer of the ileum of the small digestive tract.

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 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.