Question | Answer |
Mesentery | Double sheet of peritoneal membrane |
Mucosa | Inner lining of digestive tract |
Submucosa | Layer of dense irregular connective tissue that surrounds the mucosa |
Muscularis externa | Plays an essential role in mechanical processing and in moving materials along the digestive tract |
Circular folds | Permanent transverse folds in the intestinal lining |
Villi | Small mucosal projections that stick into the lumen of the small intestine |
Submucosal plexus | A nerve network that contains sensory neurons, parasympathetic ganglionic neurons and sympathetic postganglionic fibers that innervate the mucosa and submucosa |
Bolus | Moist compact mass of food |
Peristalsis | Propulsion of food through the digestive tract by contractions |
Stomach | Organ performing chemical breakdown of food by acid and enzymes |
Oral cavity | Mechanical processing, moistening, mixing food with saliva |
Pharynx | throat |
Esophagus | Transports of swallowed food to the stomach |
Small intestine | Does enzymatic digestion and absorption of water, organic substrates, vitamins and ions |
Large intestine | Performs dehydration and compaction of indigestible materials in preparation for elimination |
Ingestion | Food and liquids enter the digestive tract through the mouth |
Digestion | Chemical and enzymatic breakdown of food in to small organic molecules that can be absorbed |
Feces | Compacted material |
Defecation | Elimination of feces from the body |
Uvula | Dangling process the helps prevent food from entering the pharynx prematurely |
Vestibule | Space between the cheeks and the teeth |
Lingual frenulum | Attaches the body of the tongue to the floor of the oral cavity |
Gingivae | Gums |
Labia | Lips |
Tongue | Manipulates food inside the mouth |
Barium sulfate | |
Omeprazole | |
Famotidine | |
Sucralfate | |
Mesalamine | |