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Dig. Proce. Terms
Procedural Terms used for the Digestive System
| Term | Definition |
|---|---|
| absorption | passage of materials through the walls of the small intestine into the bloodstream |
| amino acids | small building block of protein |
| amylase | enzyme secreted by the pancreas and salivary glands to digest starch |
| anus | terminal end of opening of the digestive tract to the outside of the body |
| appendix | blind pouch hanging from the cecum |
| bile | digestive juice made in the liver and stored in the gallbladder. It breaks up large fat globules |
| bowel | intestine |
| canine teeth | pointed, dog |
| cecum | first part of the large intestine |
| colon | portion of the large intestine consisting of ascending, transverse, descending, and sigmoid segment |
| defecation | elimination of feces from the digestive tract through the anus |
| deglutition | swallowing |
| dentin | primary material found in teeth |
| digestion | breakdown of complex foods to simpler forms |
| duodenum | first part of the small intestine |
| elimination | act of removal of materials from the body |
| enamel | hard, outermost layer of a tooth |
| enzyme | chemical that speeds up a reaction between substances |
| esophagus | tube connecting the throat to the stomach |
| fatty acids | substances produced when fats are digested |
| feces | solid wastes, stool |
| gallbladder | small sac under the liver, stores bile |
| glucose | simple sugar |
| glycogen | starch |
| hydrochloric acid | substance produced in the stomach; necessary for digestion |
| ileum | third part of the small intestine |
| incisor | any one of the four front teeth in the dental arch |
| insulin | hormone produced by the endocrine cells of the pancreas |
| jejunum | second part of the small intestine |
| lipase | pancreatic enzyme necessary to digest fats |
| liver | large organ located in the RUQ of the abdomen. The liver secretes bile, stores sugar, iron and vitamins; produces blood proteins; destroys worn |
| lower esophageal sphincter | ring of muscles between the esophagus and the stomach |
| mastication | chewing |
| molar teeth | the back teeth used for grinding foods |
| palate | roof of the mouth |
| pancreas | organ behind the stomach; produces insulin |
| papillae | small projections on the tongue |
| parotid gland | salivary gland within the cheek, just anterior to the ear |
| peristalsis | Rhythmic contractions of the tubular organs |
| pharynx | throat |
| protease | enzyme that digests protein |
| pulp | soft tissue within a tooth, containing nerves and blood vessels |
| pyloric sphincter | ring of muscles at the end of the stomach |
| rectum | last section of the large intestine |
| rugae | ridges on the hard palate and the wall of the stomach |
| saliva | digestive juice produced by salivary glands |
| salivary glands | parotid, sublingual and submandibular glands |
| sigmoid colon | fourth and last S |
| sphincter | circular ring of muscles that constrict a passage or closes a natural opening |
| stomach | muscular organ that receives food from the esophagus |
| triglycerides | fat molecules |
| villi | microscopic projections in the wall of the small intestine that absorb nutrients into the bloodstream |