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General Pathology > Alimentary system, peritoneum, omentum, mesentery, peritoneal cavity > Flashcards

Alimentary system, peritoneum, omentum, mesentery, peritoneal cavity Flashcards

1
Q

Enteroendocrine cells of the gastrointestinal system

A
  • = enterochromaffine cells = argentaffin cells
  • Affinity for silver stains
  • true endocrine cells = Secrete products into the tissue and not into the gut lumen
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2
Q

Enteroendocrine cells - neoplasms

A
  • Carcinoids
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3
Q

Enteroendocrine cell products - stomach

A
  • Ghrelin
  • Neuropeptide Y
  • Somatostatin
  • Enteroglucagon
  • Histamine
  • Endothelin
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4
Q

Gastrin

A
  • Produced by neuroendocrine cells in the stomach and intestines
  • Stimulates parietal cells to release HCl
  • Increase motility
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5
Q

Ghrelin

A
  • Produced by neuroendocrine cells in the stomach

- Appetite regulator

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6
Q

Neuropeptide Y

A
  • Produced by neuroendocrine cells in the stomach

- Increase food intake

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7
Q

Somatostatin

A
  • Produced by neuroendocrine cells in the stomach
  • Decrease rate of gastric emptying
  • Decrease smooth muscle contractions and blood flow
    within the intestine
  • Decrease release of gastrin, cholecystokinin, motion, secretin, vasoactive intestinal peptide, gastric inhibitory polypeptide
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8
Q

Enteroglucagon

A
  • Produced by neuroendocrine cells in the stomach
  • Decrease release of pancreatic hormones
  • Decrease exocrine secretory action of the pancreas
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9
Q

Histamine

A
  • Produced by neuroendocrine cells in the stomach

- Increase gastric acid secretion

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10
Q

Endothelin

A
  • Produced by neuroendocrine cells in the stomach

- Smooth muscle contraction

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11
Q

Glicentin

A
  • Produced by neuroendocrine cells in the stomach and intestines
  • Increase glycogenolysis in the liver
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12
Q

Glucagon

A
  • Produced by neuroendocrine cells in the stomach and intestine
  • Increase concentration of glucose in the blood
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13
Q

Endoendocrine cell products - Intestine

A
  • Serotonin
  • Cholecystokinin
  • Bombesin
  • Secretin
  • Enteroglucagon
  • Enterogastrone - Brünner’s gland
  • Fibroblast growth factor 19
  • Substance P
  • Vasoactive intestinal polypeptide
  • Gastric inhibitory peptide = glucose dependent inhibitory peptide
  • Motolin
  • Peptide YY
  • Neurotensin
  • Glucagon-like peptide
  • Urogastrone
  • Oxyntomodulin
  • Enkephalins
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14
Q

Endoendocrine cell products - produced by stomach and intestine

A
  • Glucagon
  • Glicentin
  • Gastrin
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General Pathology (3 decks)

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