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12 Cards in this Set
- Front
- Back
Cephalic phase |
In this phase the Function is to prep the stomach to digest food that enters Duration is brief Activates at sight smell or thought of food Action is salivary glands secrete saliva, gastric pits secrete acid and pepsinogen, G-apud cells secrete gastrin |
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Gastric phase |
Duration is 2-3 hours Mechanism is neural and hormonal Action is increased mucus, acid, and enzyme secretion in the stomach. |
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Intestinal phase |
Duration is long, several hours after gastric phase Mechanism is neural and hormonal- presence of carbs, peptides, lipids and acids Action is the enterogastric reflex |
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Secretin |
______ shuts off gastric cavity, increases pancreatic juice secretion. Relaxes the sphincter and decreases gastric activity. |
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CCK |
This increases secretin of bile from full bladder. Decreases gastric activity and relaxes sphincter. |
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Pancreas |
The _____ is a double or mixed gland because it is both endocrine and exocrine in function |
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Endocrine function |
_____ _____ are pancreatic islets that contain alpha cells that secrete glucagon and beta cells that secrete insulin. |
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Exocrine function |
_____ ______ are acrobat cells that produce 1 L a day of pancreatic juice that is secreted into the duodenum to aid in digestion. |
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Large intestine |
Also called the colon, absorbs most water from feces to compact it, absorb vitamins that are produced by bacteria and stores fecal waste until defecation occurs |
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Gall bladder |
Small sac about 4 inches long and can store and concentrate bile by absorbing some of the water. |
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Liver |
_____ is the largest visceral organ and weighs 3 lbs. also synthesizes numerous plasma proteins for osmotic pressure and clotting factors. |
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Bile |
______ is a thick and viscous fluid that contains salt, lipids, water, ions, and bilirubin that aid in lipid digestion by emulsifying fats. |