NTDT200 Lecture Notes - Lecture 10: Chicory, Brush Border, Duodenum

• School: University of Delaware
• Department: Nutrition and Dietetics
• Course: NTDT200
• Professor: all

Document Summary

Celiac disease: autoimmune, occurs in 1% of americans, completely treatable by avoiding gluten. Increase in celiac disease in the us: celiac impairs digestion if untreated, can lead to malnutrition. Digestive system: 26 feet in length, +24 hour process, mechanical and chemical. Organization of the body: cells are the smallest functional unit, tissue is a collection of cells that are organized to form organs. Ingested food travels through gastrointestinal tract from mouth to anus, where it is: digested, absorbed and excreted. Hormones-chemical messengers: mouth, salivary glands, saliva, amylase-cho, lipase-fat, stomach, gastric juices, hcl, proteases, lipase, chyme, pyloric sphincter-acts as valve to control the flow of partially digested food from the stomach to the small intestine, small intestine, duodenum. Illeum: pancreas, pancreatic juices, amylase, proteases, lipase. Cholecystokinin (cck)-hormone that stimulates the release of bile: gallbladder-bile is made in the liver, small intestine, brush border, villi, microvilli, enzymes, surface area for absorption.