| system division |
Esophagus |
Stomach |
Small intestine |
Large intestine |
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|
organ |
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|
epithelium |
stratified squamous nonkeratinized |
simple columnar |
transition to stratified squamous keratinized epithelium of skin |
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|
surface mucous cells |
enterocytes, goblet, EEC, Paneth |
enterocytes, goblet, EEC |
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|
lamina propria |
|
cardiac glands |
gastric glands |
pyloric glands |
|
Peyer's patches |
GALT |
occasional lymphoid nodules |
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|
mucous, stem, EEC, parietal cells |
mucous, neck, stem, EEC, parietal and zymogenic cells |
mucous, stem, EEC, parietal cells |
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|
muscularis mucosa |
scant, only longitudinal |
only longitudinal |
inner circular, outer longitudinal, outermost circular |
inner circular, outer longitudinal |
inner circular, outer longitudinal |
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|
submucosa |
|
|
Brunner's glands |
|
|
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|
muscularis externa |
skeletal muscle |
standard two layers |
inner oblique, mid circular, outer longitudinal |
inner: pyloric sphincter |
standard two layers |
standard two layers |
taenia coli |
standard two layers |
inner: internal anal sphincter |
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|
serosa/ |
adventitia |
serosa |
serosa |
serosa and adventitia |
serosa |
serosa |
serosa and adventitia |
adventitia |
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