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| 31. | crown | portion of tooth visible superior to the gum line |
| 32. | cuspid | (also, canine) pointed tooth used for tearing and shredding food |
| 33. | cystic duct | duct through which bile drains and enters the gallbladder |
| 34. | deciduous tooth | one of 20 'baby teeth' |
| 35. | defecation | elimination of undigested substances from the body in the form of feces |
| 36. | deglutition | three-stage process of swallowing |
| 37. | dens | tooth |
| 38. | dentin | bone-like tissue immediately deep to the enamel of the crown or cementum of the root of a tooth |
| 39. | dentition | set of teeth |
| 40. | deoxyribonuclease | pancreatic enzyme that digests DNA |
| 41. | descending colon | part of the colon between the transverse colon and the sigmoid colon |
| 42. | dipeptidase | brush border enzyme that acts on proteins |
| 43. | duodenal gland | (also, Brunner's gland) mucous-secreting gland in the duodenal submucosa |
| 44. | duodenum | first part of the small intestine, which starts at the pyloric sphincter and ends at the jejunum |
| 45. | enamel | covering of the dentin of the crown of a tooth |
| 46. | enteroendocrine cell | gastric gland cell that releases hormones |
| 47. | enterohepatic circulation | recycling mechanism that conserves bile salts |
| 48. | enteropeptidase | intestinal brush-border enzyme that activates trypsinogen to trypsin |
| 49. | epiploic appendage | small sac of fat-filled visceral peritoneum attached to teniae coli |
| 50. | esophagus | muscular tube that runs from the pharynx to the stomach |
| 51. | external anal sphincter | voluntary skeletal muscle sphincter in the anal canal |
| 52. | fauces | opening between the oral cavity and the oropharynx |
| 53. | feces | semisolid waste product of digestion |
| 54. | flatus | gas in the intestine |
| 55. | fundus | dome-shaped region of the stomach above and to the left of the cardia |
| 56. | G cell | gastrin-secreting enteroendocrine cell |
| 57. | gallbladder | accessory digestive organ that stores and concentrates bile |
| 58. | gastric emptying | process by which mixing waves gradually cause the release of chyme into the duodenum |
| 59. | gastric gland | gland in the stomach mucosal epithelium that produces gastric juice |
| 60. | gastric phase | phase of gastric secretion that begins when food enters the stomach |
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