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17 Cards in this Set
- Front
- Back
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Bolus
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portion of food swallowed at one time
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Chyme
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semi-liquid mass of partially digested food expelled by the stomach into the intestine
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Mucus
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Carbohydrate/protein compound of glands that forms a thick fluid to lubricate and protect cells; cystic fibrosis - oversecretion - blocks pancreatic release
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Peristalsis
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wavelike muscle contractions of the GI tract that push its contents along
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Segmentation
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periodic squeezing of intestine at intervals
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Reflux
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backward flow
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Bile
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emulsifier of fats and oils in digestion; produced by liver and stored in gall bladder
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pH
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measure of acidity and alkalinity
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Artery
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vessel that carries blood AWAY from the heart
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Vein
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vessel that carries blood back TO the heart
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Lymph
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Transports fats from intestine to bloodstream via thoracic duct into the subclavian vein; yellowish fluid similar to blood without red blood cells; sponge-like system
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Sphincter
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circular muscle arrangement that acts a valve;
Lower esophageal (cardiac): to stomach Pyloric: to small intestine; squirts small amounts of chyme that are neutralized by pancreatic juice Oddi: relaxes bile duct to small intestine Ileocecal valve: to large intestine |
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Lower esphophageal (cardiac)
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to stomach
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pyloric
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to small intestine; squirts small amounts of chyme that are neutralized by pancreatic juice
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oddi
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relaxes bile duct to small intestine
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ileocecal valve
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to large intestine
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hormone
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messenger molecule that carries instruction from one site to a target
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