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15 Cards in this Set
- Front
- Back
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Chief Cells
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pesin, zymogen activated by proteolytic activation
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chyme
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food mixed with gastric secretions
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cholecystokinin
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epithelial cells of dudodenum, contorls pyloric spincter contraction when there is too much food already, response to fats in the dudoenum, causes pancreas to secrete digestive enzymes, stimulates bile release, DECREASES gastric motilty
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gastrin
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G cells of tomach, stimulates acid and pepsin scretion and gastric motility
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hepatic portal vein
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blood containin a.a and carbohydrate nutrients from gut to the liver
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enterokinase
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activates trypsinogen from pancreas to trypsin
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secretin
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acid in the dudodenum, causes pancreas to secrete bicarbonate
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liver
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synthesizes urea and relases it into the bloodstream
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vasodilation
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heat loss mechanism
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constriction of efferent arteriole
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results in high pressure in glomerulus, so fluid leaves glomerular cpillaries
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h zone
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gap btw myosin and actin
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z line
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boundary of sarcomere
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increase in sarcoplasmic calcium
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causes mysoin to bind atin
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plateau phase in cardiac muscle AP
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due to voltage gated Na-Ca channels
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plateau phase
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longer duration of contraction, better ejection fraction and longer refractory period
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