A | B |
digestion | the process of changing complex solid foods into simpler soluble forms which are absorbed by the body cells |
enzymes | chemical substances that promote checmial reactions in living things |
peritonitis | infection or inflammation of the peritoneum |
buccal cavity | the mouth - where food enters the digestive system |
cardiac sphincter | located at the end of the esophagus; relaxes to allow food to enter the stomach |
pyloric sphincter | located at the end of the stomach; relaxes to allow food to enter the duodenum |
rugae | folds in the gastric mucosa; allow for expansion of the stomach |
pylorospasm | vomiting resulting from the sphincter at the end of the stomach not relaxing |
absorption | nurtients taken into bloodstream via villi in the small intestine |
jaundice | yellowing of the eyes and skin resulting from a blocked common bile duct |
peristalasis | wave-like muscular contraction that pushes food through the digestive tract |
gastroesophageal reflux disease | cardiac sphincter is weak or relaxes inappropriately allowing stomach contents to flow up into the esophagus |
heartburn | also known as heartburn; backflow highly acidic gastric juice into the lower esophagus |
hiatal hernia | stomach protrudes through opening above diaphragm through esophageal opening |
pyloric stenosis | narrowing of the pyloric sphincter |
gastroenteritis | inflammation of the mucus membrane lining of the stomach and intestines |
ulcer | a sore or lesion on the the mucosal lining of the stomach or duodenum |
inflammatiory bowel disease | disorders that include Crohn's disease and ulcerative colitis |
appendicitis | inflammation of the appendix |
hepatitis | inflammation of the liver |
cirrhosis | chronic, progressive, inflammatory liver disease; normal tissue is replaced by fibrous connective tissue |
cholecystitis | inflammation of the gallbladder |
gallstones | also know as cholelithiasis, crystalized cholesterol in the gallbladder |
pancreatitis | inflammation of the pancreas |
diverticulosis | little sacs develop in the wall of the colon |
hemorrhoids | veins around the anus and lower rectum become inflammed and swollen |
colostomy | a surgical opening made through the abdomen into the colon; a pouch is put in place to collect body wastes |