| A | B | 
| stricture | An abnormal narrowing of a duct or passage. | 
| peristalsis | skeletal muscle contractions  that move food and waste through digestive tract | 
| bile | A bitter, alkaline, brownish-yellow or greenish-yellow fluid that is secreted by the liver, stored in the gallbladder, and discharged into the duodenum and aids in the emulsification, digestion, and absorption of fats. | 
| emesis | The act of vomiting. | 
| flatus | intestinal gas | 
| incontinent | Lacking normal voluntary control of excretory functions | 
| nausea | A feeling of sickness in the stomach characterized by an urge to vomit | 
| juandice | Yellowish discoloration of the whites of the eyes, skin, and mucous membranes caused by deposition of bile salts in these tissues. It occurs as a symptom of various diseases, such as hepatitis, that affect the processing of bile. | 
| reflux | A flowing back; ebb | 
| stenosis | A constriction or narrowing of a duct or passage; a stricture | 
| cholelithiasis | gall stones | 
| fistula | An abnormal duct or passage resulting from injury, disease, or a congenital disorder that connects an abscess, cavity, or hollow organ to the body surface or to another hollow organ. | 
| ulcer | A lesion of the skin or a mucous membrane such as the one lining the stomach or duodenum that is accompanied by formation of pus and necrosis of surrounding tissue, usually resulting from inflammation or ischemia | 
| bolus | a soft mass of chewed food in the mouth | 
| defecate | eliminate stool or feces | 
| colostomy | Surgical construction of an artificial excretory opening from the colon |