Chapter 41
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Created by:
jaclynmorris on February 20, 2009
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20 terms
Terms | Definitions |
|---|---|
 lacteal | tiny blood vessels in the villi that absorb fatty acids |
| abomasum | final chamber of the complex stomach of ruminants; has a glandular wall and corresponds to a true stomach. |
| intracellular digestion | Digestion inside of a cell |
| villi | finger-like projections that increase the surface area and increase absorption |
| secretin | hormone produced on duodenum wall that stimulates pancreas to release bicarbonate to neutralized acid in duodenum |
| acid chyme | the result of digestion in the stomach |
| duodenum | section of small intestine where most chemical digestion occurs |
| rectum | the lower part of the large intestine where feces are stored |
| enterogastrone | secreted by duodenum; inhibits peristalsis and slows digestion |
| salivary amylase | Saliva contains this digestive enzyme. |
| ruminant | any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments |
| gastric juice | stomach fluid made of digestive enzymes and hydrochloric acid |
| cholecystokinin | hormone the small intestine secretes to stimulate release of pancreatic juice from pancreas and bile from gallbladder |
| gastrin | hormone produced in the stomach wall that stimulates sustained secretion of gastric juice |
| gastrovascular cavity | An extensive pouch that serves as the site of extracellular digestion and a passageway to disperse materials throughout most of an animal's body |
| sphincter | A ringlike valve consisting of modified muscles in a muscular tube, such as a digestive tract; closes off the tube like a drawstring. |
| symbiotic relationship | close interaction between species in which one species lives in or on the other |
| bolus | A term used to describe food after it has been chewed and mixed with saliva |
| peristalsis | the process of wave-like muscle contractions of the alimentary tract that moves food along |
| extracellular digestion | Digestion that takes place outside a cell |
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