The Digestive SystemKara Rogers Senior Editor, Biomedical Sciences The Rosen Publishing Group, Inc, 15 d’ag. 2010 - 264 pàgines The satisfaction derived from savoring a steak or indulging in an ice cream sundae is only one aspect of a larger process that occurs in the human digestive system. From the moment food enters our mouths until long after we have finished a meal, the body engages in an extensive routine designed to retain nutrients and discard waste. This comprehensive book examines all the vital components involved in consuming and digesting food as well as the diseases and disorders that can plague this frequently overlooked area of the human body. |
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abdominal abnormal absorbed absorption acinar activity acute amino acids anal artery bacteria bile duct biliary tract bilirubin bleeding blood vessels body calcium called carbohydrates cause cavity cells cholecystokinin cholesterol chronic chyme cirrhosis colon colorectal cancer contraction Crohn disease Diagnosis diarrhea diet digestive system digestive tract disorders duodenal duodenum Encyclopædia Britannica enzymes epithelial esophageal cancer esophagus fatty acids fibres fluid function gallbladder gallstones gastric gastrin gastrointestinal tract glucagon glucose gums hepatic hepatocytes hormones ileum increase infection inflammation ingestion insulin islets of Langerhans jaundice large intestine longitudinal lower lumen metabolic mouth mucosa mucous membrane muscle layer nerve normal nutrients obstruction occur pain pancreatic cancer papilla patients peptide percent peristaltic pharynx portion produce protein receptors rectum reflux result risk saliva salivary glands secretion small intestine somatostatin stimulates stomach cancer substances surface surgery swallowing symptoms teeth tion tissue tongue tooth transport treatment tumours ulcers upper usually vein vitamin wall