Histological structure of the GI-tract Flashcards

1
Q

What is the serosa?layer?

A

Simple squamous epithelium and areolar connective tissue.

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2
Q

What is muscularis mucosa?

A

A layer of longitudinal and circular smooth muscle. (controlled involuntary)

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3
Q

What is submucosa?

A

Increased blood and lymph vessels that absorb productions of digestion.

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4
Q

What is mucosa?

A

A layer of columnar epithelium which can form folds that increase the surface area.

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5
Q

Extra facts?

A

Has an enteric nervous system - regulates motility and blood flow.
Has mucosa-associated lymphatic tissue.

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