WR1 - Histology Flashcards by Michael Alcorn | Brainscape

Q

The entire GI tract shares common histological features. They all show 4 distinct layers.

What are these?

A

1) Mucosa

Epithelium
Lamina propria
Muscularis mucosae

2) Submucosa
3) Muscularis propria

Circular inner layer
Longitudinal outer layer

4) Serosa/adventitia

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Q

What are the 4 functional types of mucosa in the GI tract?

A

Protective - Stratified squamous

Oral cavity, pharynx, oesophagus, anal canal

Secretory -

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