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Ch 8 Gastroenterolog
Digestion
Question | Answer |
---|---|
process by which digestive nutrients move through villi of the small intestine and into the blood | absorption |
digestive enzyme in saliva that begins digestion of carbohydrates in the mouth. it is also secreted by the pancreas to finish the digestion of carbohydrates in the small intestine | amylase |
hormone secreted by the duodenum when it receives fatty chyme from the stomach. stimulates the gallbladder to release bile and the pancreas to release its digestive enzymes | cholecystokinin |
process in which undigested materials and water are removed from the body as a bowel movement | defecation |
process of mechanically and chemically breaking down food into nutrients that can be used by the body | digestion |
process in which undigested materials and water are "eliminated" from the body | elimination |
process in which bile breaks down large fat droplets into smaller droplets | emulsification |
proteins that speed up chemical reactions in the body. during chemical digestion, they break the chemical bonds in larger food molecules. produced by the salivary glands, stomach, sm. intestine and pancreas | enzyme |
meaning of suffix "-ase" | enzyme |
formed, solid waste composed of undigested material, bacteria, and water that is eliminated from the body. it is also known as "stool" | feces |
gas produced by bacteria that inhabit the large intestine | flatus |
hormone produced by the stomach. it stimulates the release of hydrochloric acid and pepsinogen in the stomach | gastrin |
strong acid produced by the stomach. it breaks down food, kills microorganisms in food, and converts pepsinogen to pepsin | hydrochloric acid |
digestive enzyme from vili in the small intestine. it breaks down lactose , the sugar in milk | lactase |
digestive enzyme secreted by the pancreas. it breaks down fat globules in the duodenum into fatty acids | lipase |
digestive enzyme in the stomach that breaks down protein foods into large protein molecules | pepsin |
inactive substance produced by the stomach that is converted by hydrochloric acid to the digestive enzyme pepsin | pepsinogen |
absorpt/o- | absorb; take in |
amyl/o- | carbohydrate; starch |
cholecyst/o- | gallbladder |
kin/o- | movement |
digest/o- | digest; break down food |
chez/o- | to pass feces |
emulsificat/o- | droplets of fat suspended in a liquid |
fec/a- fec/o- | feces; stool |
gastr/o- | stomach |
chlor/o- | chloride |
hydr/o- | water; fluid |
lact/o- | milk |
lip/o- | lipid (fat) |
peps/o- | digestion |
pepsin/o- | pepsin |