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3 Cards in this Set
- Front
- Back
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where is the gut sterile?
what's the outer layer of the gut? |
up 'till the iliocecal valve (start of colon)
outer layer is the serosa - it's the parietal peritoneum and has squamous epithelia |
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going inner to outer, what are the constant layers of the gut?
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mucosa, muscalaris mucosa, submucosa, muscalaris externa (with 2 rings of muscles), and adventitia/serosa.
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muscle in the esophagus: what's interesting?
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in the muscalaris externa, the first 1/3 = skeletal muscle (it's voluntary).
2nd 1/3: mixed last 1/3: all smooth muscle |
