GI Hormones Flashcards

1
Q

Cholecystokinin

- Actions (4)

A
  • Relaxes sphincter of Oddi
  • Stimulates gallbladder contraction
  • Stimulates secretion of pancreatic enzymes from acinar cells
  • Inhibits gastric emptying (inhibits proximal gastric motility and increases antral and pyloric contraction)
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2
Q

Cholecystokinin

- Stimulator of release

A

Ingested fatty acid chains, protein, and amino acids

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3
Q

Cholecystokinin

- Source

A

I-cells (enteroendocrine cells) of the duodenum and jejunum

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4
Q

Cholecystokinin

- Inhibitor of release

A

Somatostatin

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