Bio202 - Ch 23 - Liver and Gallbladder - Marieb/Hoehn - Rio Salado - AZ
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| Digestive function of liver | Produces bile (fat emulsifier)
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| 4 lobes of the liver | right,left,quadrate,caudate
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| gallbaldder | stores and concentrates bile salts
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| bile | alkaline: yellow-green fluid containing bile salts, pigments, cholesterol, phospolipids, triglycerides & phospholipids - emulsifies fats & aids in digestion
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| Digestive function of liver | Produces bile (fat emulsifier)
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| What in bile aids digestion? | Bile salts & phospholipids
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| Bile salts do what? | Emulsify fats & facilitate absorption
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| Enterohepatic circulation | Recycling mechanism for bile salts
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| The __ is a remnant of fetal umbilicle vein on liver. | ligamentum teres (round ligament)
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| Where does bile leave liver? | Common hepatic duct
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| Where does bile leave gallbladder? | Cystic duct
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| The common hepatic duct & cystic duct fused to form __. | the bile duct
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| Functional units of liver are? | Liver lobules - plates of hepatocytes (liver cells)
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| Blood percolates from __ regions of liver through the sinusoids & empties into __. | portal triads - central vein
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| Kupffer cells | Hepatic macrophages that remove debris, bacteria, & old RBCs from blood.
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| The hepatocytes of liver produce __ & do what? | bile - store glucose as glycogen & fat soluble vitamins & detoxify body
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| Hep B is spread how? | IV, sex, etc.
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| Hep A is spread how? | Sewage - contamination & feces - common in restaurants
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| Roll of gallbladder | Stores concentrated bile from liver & releases when needed through its cystic duct.
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| The major stimulus for gallbladder contraction is __. | cholecystokinin (CCK) - intestinal hormone released when acidic, fatty chyme enters duodenum.
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| CCK stimulates? | Gallbladder to contract, pancreatic juice secretion, & relaxes hepatopancreatic sphincter.
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| gallstones | Biliar calculi - obstruct flow of bile - sharp crystals due to too much cholesterol or too few bile salts.
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