Gut Associated Lymphoid Tissue (GALT) is primarily located in which layer of small intestine?
GALT is composed of aggregated tissue in the form of peyer's patches and lymphnode follicles, and non-aggregated cells in Lamina propria and intraepitheial regions of small intestine. Ref: The Immunomodulatory Effects of Dietary Fibers and Prebiotics in The Gastrointestinal Tract By Teresa M. Paeschke, William R. Aimutis, Chapter 3; Nondigestible Carbohydrates and Digestive Health, Page 1974
Lamina Propria
Submucosa
Muscularis
Serosa