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digestive vocab
| Question | Answer |
|---|---|
| chyme | partially digested food and gastric juice formed in stomach |
| peristalis | wave like rhythmic contractions of stomach and intestines that push material forward |
| segmentation | back and forth mixing movement that mixes food w/ digestive juice |
| degultition | swallowing coordinated by cortex (involuntary) and brainstem (voluntary) |
| rugae | fold in stomach line/ allows expansion and flattens when stomach is full |
| villi | finger like projections in small intestine increase surface area for absorption |
| ulcer | lesion/erosion of mucosal lining in stomach and intestines |
| diarrhea | abnormal food/ frequent stools due to decreased water absorption or increased secretion |
| hydrolysis | chemical digestion where chemicals are broken down by water |
| emulsification | bile's function of breaking fat lipase globules into tiny droplets to increase surface area |
| peritoneum | serous membrane lining abdominal cavity and covering organs |
| mesentery | fold of peritoneum attaches to small intestine to posterior abdominal wall |
| pyloric sphincter | muscle control release of chyme into duodenum |
| bolus | ball of chewed food moves involuntary from mouth to stomach via parasails |
| jaundice | yellow skin discoloration due to bile builds up/ excess bile in blood |
| LES- cardiac sphincter-lower esophageal | separates stomach and esophagus/ causes GERD |
| GERD | acid reflux |