GI4 Flashcards

1
Q

What are the layers of the gut wall from inside to outside?

A

Mucosa
Submucosa
Muscularis Externa
Serosa

“MSMS”

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2
Q

What nerve plexus is in the Submucosa?

A

Meissner’s plexus

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3
Q

What nerve plexus is found in the Muscularis Externa layer?

A

Myenteric (Auerbach’s) plexus

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4
Q

Histology:

- Esophagus

A

Nonkeratonized stratified squamous epithelium

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5
Q

Histology:

- Stomach

A

Gastric glands

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6
Q

Histology:

- Duodenum

A

Villi & microvilli

Brunner’s glands and Crytpts of Lieberkuhn

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7
Q

Histology:

- Jejunum

A

Plicae ciculares and crypts of Lieberkuhn

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8
Q

Histology:

- Ileum

A

Peyer’s patches
Plicae circularis
Crytps of Lieberkuhn

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9
Q

Histology:

- Colon

A

Crypts (NO VILLI)

Numerous goblet cells

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