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Digestive system
| Question | Answer |
|---|---|
| Structure that suspends the small intestine from the posterior body wall | Mesentery |
| Fingerlike extensions of the intestinal mucosa that increase the surface area | Villi |
| Collections of lymphatics tissue found in the submucosa of the small intestine | Peter's patches |
| Folds of the small intestine wall | Plicae circulares |
| Two anatomical regions involved in the physical breakdown of food | Oral cavity and stomach |
| Organ that mixes food in the mouth | Tongue |
| Common passage for food and air | Pharynx |
| Three extensions of the peritoneum | Greater omentum, lesser omentum, mesentery |
| Literally a food chute; no digestive or absorptive role | Esophagus |
| Folds of the stomach mucosa | Rugae |
| Saclike outpocketings of the large intestine wall | Haustra |
| Projections of the plasma membrane of a cell that increase the cell's surface area | Microvilli |
| Prevents food from moving back into the small intestine once it has entered the large intestine | Ileocecal valve |
| Organ responsible for most food and water absorption | Small intestine |
| Organ primarily involved in water absorption and feces formation | Colon |
| Area between the teeth and lips/cheeks | Vestibule |
| Blind sac hanging from the initial part of the colon | Appendix |
| Organ in which protein digestion begins | Stomach |
| Membrane attached to the lesser curvature of the stomach | Lesser omentum |
| Organ into which the stomach empties | Small intestine |
| Sphincter controlling the movement of food from the stomach into the duodenum | Pyloric sphincter (valve) |
| Uvula hangs from its posterior ege | Soft palace |
| Organ that receives pancreatic juice and bile | Small intestine |
| Serosa of the abdominal cavity wall | Parietal peritoneum |
| Region, containing two sphincters, through which feces are expelled from the body | Anal canal |
| Anterosuperior boundary of the oral cavity; supported by bone | Hard palate |
| Serious membrane forming part of the wall of the small intestine | Visceral peritoneum |