| A | B |
|---|
| bile | substance produced by the liver which emulsifies fat |
| biliverdin | green bile pigment |
| bilirubin | yellow bile pigment formed from the breakdown of old worn out RBCs |
| cardiac sphincter | circular muscle fibers around the end of the esophagus which allows food to enter into the stomach |
| chyle | milk-like substance formed from digested and absorbed fats |
| chyme | mixed food and digestive juices in the stomach and small intestine |
| defecation | elimination of waste material from the rectum |
| deglutiition | swallowing |
| emulsification | process of breaking down fats into smaller droplet size |
| enzyme | molecules that speed up the rate of chemical reactions in cells |
| feces | waste material from the digestive system |
| flatulence | presence of excessive gas as a result of bacteria action in the large intestine |
| gingiva | the tissue that surrounds the teeth, gums |
| hemoccult | hidden blood in the stool |
| hemorrhoids | enlarged and varicose condition of the veins in the lower part of the anus or rectum |
| ingestion | process of taking in food |
| lacteal | lymph vessel associated with villi in the small intestine |
| mastication | process of chewing |
| peristalsis | wave-like contraction of the smooth muscles of the digestive tract |
| pyloric sphincter | valve that regulates entrance of food from the stomach to the duodenum |
| rugae | wrinkles or folds in the stomach |
| segmentation | muscle action that mixes chyme and digestive juices |
| stomatitis | inflammation of the mouth; can include lips, tongue, and mucous membrane |
| uvula | projection hanging from the soft palate in the back of the throat which prevents food from entering nasal cavity |
| villi | tiny projections of the small intestine |
| epiglottis | flap of tissue that prevents food from entering the larynx |
