Mus1

Frame 1 Slide 96 (Monkey duodenum, H&E). This is a panoramic view of a cross section of the duodenum. As is the case with all digestive organs, the wall of the duodenum is composed of four coats. From inside to outside, these are known as the mucos

Mus2

Frame 2 Slide 96 (Monkey duodenum, H&E). This is a slightly higher power view of the wall of the duodenum. The lumen of the organ is lined by the mucosa (m). Above the mucosa is the submucosa (sm), which consists primarily of connective tissue. I

Mus3

Frame 3 Slide 96 (Monkey duodenum, H&E). This micrograph concentrates on the muscularis externa. The inner circular layer of smooth muscle (c) that is cut in longitudinal section is in the middle of the micrograph, while the outer longitudinal laye