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

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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

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