NS 1150 Lecture Notes - Lecture 7: Non-Celiac Gluten Sensitivity, Gluten-Free Diet, Peptide Yy

• School: Cornell University
• Department: Nutritional Science
• Course: NS 1150
• Professor: David Levitsky

Document Summary

Small intestine (duodenum, jejunum, ileum: duodenum (upper part) Release of secretin from secretin containing cells. Release of cholecystokinin from cck containing cells. Release of gastric inhibiting protein from gip containing cells: inhibits gastric secretions. Decrease glucose production by liver: ileum (lower part) Pharmaceutical company interest 5568: 6-8 meters long (20-25 feet), s=surface area=2,355 sq ft, function: Digestion and absorption: cross section of small intestine. Epithelial cells: guard between inner sanctum and outside world, responsible for retrieving nutrients into body, very sensitive, high turnover, contain enzymes. Brush border and tight junction [look up] Celiac disease: villi break down shorter villi, gluten (wheat, barley, rye, possibly oats, symptoms (like incomplete digestion) Unexplained weight loss (although people can be overweight or of normal weight) Fatigue, difficulty concentrating, short term memory: treatment. Gluten sensitivity: does not tangle and held in place due to mesentery. Fat deposited in mesentery (picked up from small intestine) increased death risk. High fat deposit: breakup the macronutrients.