Not seen in colon

Peyer's patch are aggregations of gut assossiated lymphoid tissue that are usually found in the lowest poion of the small intestine, the ileum, in humans; as such, they differentiate the ileum from the duodenam and jejunam. The duodenum can be identified by burnners gland. The jejunum has neither Brunner's glands nor Peyer's patches. Ref - BDC vol2 pg257,264