Not seen in colon
Taeniae
Pyer's patches
Sacculations
Appendices
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
Abdomen and pelvis