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Digestive Hormones
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What does Cephalic Stage Activate?
Activates HCl & IF by Parasympathetic Nerves
What does Intrinsic Factor do?
Absorb B12
Gastric Phase:
Gastrin stimulates Gastric Acid Which secretes HCl & ECL which release Histamines
Stimulated by A.A
Parietal cell in stomach:
Mucus in Stomach:
Enteroendocrine in stomach:
Chief in stomach:
Parietal cell in stomach
: HCl & IF
Mucus in Stomach
:
Rennin (milk hurdle) Gastric Lipase
Enteroendocrine in stomach:
- G Cell = Found in Gastrin presence of proteins secrete Parietal Cells
- D Cell = Secretes Somatostatin inhibits G cell & ECL cells. (stops everything)
- ECL Cell = Releases histamines found in fundus of stomache
Chief in stomach
: Pepsin (Brks down proteins) activated by HCl
Ghrelin & CCK
Leptin
Makes one hungry
Curbs hunger
Secretin
Stimulated by?
Inhibits?
Secretes?
Found in stomach
Inhibits contraction of antrum and release of acid in stomach.
Stimulates the pancreas when pH <4.5 to secrete H20 & HCO3
CCK
Inhibits?
Secretes?
Stimulates pancreas to secrete enzymes & HCO3.
Inhibits acid secretion in Stomach & GB Contraction
Pancreas:
Tripsin:
Carboxypeptides:
Chymotripsin:
Dipeptides:
Tripsin
: Breaks down peptide bonds & activates all other enzymes.
Carboxypeptides
: Splits amino acids
Chymotripsin
: Breaks peptide bonds
Dipeptides:break amino acids
GIP
Stimulated/Stimulates?
Inhibits?
Stimulated by small intestine to secrete insulin when increase of Carbs, glucose, or acidic chyme.
Inhibits acid secretion
Author
skhan11
ID
214732
Card Set
Digestive Hormones
Description
Digestive Hormones
Updated
4/22/2013, 7:19:32 PM
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