Name the major layer(s) of the alimentary canal that are associated with the fol

Question

Name the major layer(s) of the alimentary canal that are associated with the following structures and/or functions. (Choose all that apply from mucosa, submucosa, muscularis externa, and/or serosa.)

Question 6

contracts to perform peristalsis

Question 6 options:

Question 7

houses a nerve plexus

Question 7 options:

Question 8

has at least one layer of muscle tissue that wraps around the canal

Question 8 options:

Question 9

can house glands

Question 9 options:

Question 10

produces serous fluid to lubricate peritoneal cavity

Question 10 options:

Question 11

has a muscular layer that can specifically move the mucosa layer, for example to help dislodge sharp food pieces that have lodged in the mucosa epithelium

Question 11 options:

Question 12

has an epithelial layer (ignore the epithelial layer of blood and lymph vessels in answering this question)

Question 12 options:

Question 13

is the same structure as the visceral peritoneum

Question 13 options:

a) mucosa b) submucosa c) muscularis externa d) serosa

Explanation / Answer

6.c muscular externa

7.b submucosal

8 a,c mucosa, muscularis externa

9.a,b mucosa, sub mucosa

10.d. serosa

11.a.mucosa

12.a,d mucosa, serosa

13 d. serosa

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