Module 5: Digestive system: Appendix, recto-anal junction Flashcards
1
Q
appendix
A
small sac extending from caecum
has mucosa, submucosa, muscularis and serosa layers
masses of lymphoid tissue in mucosa and submucosa
2
Q
Recto-anal junction
A
rectum is where feces are stored immediately prior to defecation
Mucosa has lots of goblet cells and undergoes transition to stratified squamous epi in the anal canal
@ anal sphincter, stratified squamous undergoes transition to that of skin with sebaceous glands and large apocrine sweat glands