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23 Cards in this Set
- Front
- Back
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Exocrine function |
Excrete digestive enzymes into small intestine |
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Endocrine function |
Secrete hormones to control blood sugar levels |
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What supplies the pancreas with blood? |
Splenic artery Pancreatico-duodenal arteries |
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Functions of pancreas |
Releases digestive enzymes into small intestine to help food breakdown. Releases insulin and glucagon into blood. |
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Acinar cells |
Secretory cells of pancreas |
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What stimulates pancreatic secretion during the cephalic phase of digestion? |
Vagus nerve releases ACh and VIP |
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What regulates pancreatic secretion during the gastric phase? |
Vagovagal reflexes |
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What controls pacreatic secretion during the intestinal phase? |
Controlled by secretin and CCK |
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What are zymogen granules? |
Storage organelles in acinar cells. Hold digestive enzymes. |
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What surrounds the liver? |
Glissons capsule |
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Where does ion and serous fluid secretion occur? |
Acinar and intercalated duct cells |
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What supplies the liver with blood from the stomach? |
Hepatic portal vein |
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What supplies the hepatocytes with oxygen? |
Hepatic artery |
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Bile is drained in the liver via... |
Canaliculi (between hepatocytes) Bile ductules Bile ducts |
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What carries deoxygenated blood from to liver to the inferior venal cava? |
Hepatic veins |
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What separates right and left lobes of the liver? |
Falciform ligament |
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What makes up bile? |
Bile pigments (bilirubin) Cholesterol Phospholipids Fatty acids Water Electrolytes |
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How is bile formed? |
From the breakdown of haemoglobin. (Kupffer cells) |
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Functions of liver |
Synthesize and secrete bile. Store glucose, glycogen, proteins, vitamins, fats. Detoxification-removing ethanol/ammonia Synthesis of blood clotting.
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Function of sphincter of oddi |
Controls path of bile. Contracted - to gallbladder Relaxed - to duodenum |
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What regulates the relaxation of the sphincter? |
CCK |
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Function of gallbladder |
Stores and distributes bile in concentrated form. Contracts to release bile (CCK) |
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What inhibits bile acid secretion? |
Somatostatin and noradrenaline |
