HUN 2201 Lecture Notes - Lecture 1: Enterocyte, Gastric Bypass Surgery, Amphiphile

• School: University of Florida
• Department: Food Science and Human Nutrition
• Course: HUN 2201
• Professor: Von Castel- Roberts Kristina

Document Summary

Without mucus lining, stomach acid could digest some of stomach itself, causing ulcers. Vili line small intestine (1 hour to absorb nutrients) Pancreas pumps out juice that neutralizes food, then bile from liver breaks down fat into tiny droplets easier for intestine to absorb large intestine extracts water. Mechanical (chewing, to increase surface area of mouth) and chemical (saliva) digestion. Enzymes in mouth: small amount lingual lipase (enzyme that digests lipids) Antibacterial translation- immune system compromised, problem with lysozyme. Video 3 stomach: if weak cardiac sphincter, increase acid reflux (heartburn and such) Gastrin- hormone that signals release of other compounds (hcl) Pepsin activated from hcl- proteolytic enzyme that digests protein. Circular muscles contract to move chyme longitudinal and diagonal assist churning. Stomach emptying issues when communication with nervous system issues. More folds and vili increase surface area interocytes have finger-like projections. Blood and lymph responsible for transporting products into the body. Secretin- hormonal process, important in release of pancreatic juices.