Gastrointestinal Flashcards by Ava Bell

Q

epithelium features in esophagus

A

nonkeratinised stratified squamous epithelium

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Q

histological features in stomach

A

gastric glands

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Q

histological features in duodenum

A

villi and microvilli
brunner glands
crypts of leiberkuhn

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Q

histological features in jejunum

A

plicae circulaires (also present in distal duodenum)
crypts of leiberkuhn

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Q

histological features in ilium

A

Peyer patches
plicae circulaires
crypts of leiberkuhn
largest number of goblet cells in large intestine

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Q

histological features in colon

A

crypts of leiberkuhn
no villi
abundant goblet cells

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Q

what are Brunner glands

A

HCO3- secreting cells of submucosa

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Q

what do crypts of leiberkuhn contain

A

contain stem cells that replace enterocytes/goblet cells

and paneth cells that secrete defensins, lysozymes and TNF

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Q

what are Peyer patches

A

lymphoid aggregates in lamina propria, submucosa

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Q

what are goblet cells

A

synthesise and secrete mucous

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Q

what are plicae circulaires

A

numerous folds of mucous membrane which contain villi and microvilli

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Q

what is this

A

esophagus

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Q

what is this

A

esophagus

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Q

what is this

A

esophagus

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Q

what is this. and label the blanks

A

gastro-esophageal junction

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Q

what is this

A

stomach

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Q

what is this. and label the blanks

A

stomach

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Q

what is this. and label

A

stomach

Q

what is this. and label

A

stomach

Q

what is this. and label

A

small intestine

Q

what is this

A

duodenum

Q

what is this

A

duodenum

Q

what is this. and label

A

duodenum

Q

what is this

A

jejunum

Q

what is this

A

jejunum

Q

what is this

A

ileum

Q

what is this. and label

A

ileum

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this

A

colon

Q

what is this. and label

A

anorectal junction (simple columnar to stratified squamous)

Q

what is this

A

liver

Q

what is this

A

liver

Q

what is this

A

liver

Q

what is this

A

liver

Q

what is this

A

pancreas

Q

what is this. and label

A

pancreas. islet of langerhans is labeled

Q

what is this. and label

A

pancreas

Q

what is this

A

spleen