13 - (neutralize HCl) Liver: Bile (secreted, stored in Gall...

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1. Mouth Mechanical breakdown , water Enzymatic (amylase) 2. Esophogus Peristalsis , active movement valves: epiglotis, glotis 3. Stomach Anatomy: Cardiac, Pyloric Sphinctors Gastric Juice: HCl (pH 2) disrupt extracellular matrix (recall plant cell elongation, p.773 Pepsin (protease, incomplete), pH sensitive secreted as Pepsinogen, cleave pH "Zymogens" - proenzymes Gastric Pits: exocrine glands (37.11, .804) Parietal Cells - secrete HCl Chief Cells - secrete Pepsinogen Mixture, Food and Juice: " Acid Chyme " Mixing: Peristalsis 4. Small Intestine Final Hydrolysis, uptake Villi / microvilli maximize surface area, maximize absorptive surface (37.14, p.807). Peristalsis. 4a. duodenum final breakdown Exocrine Glands: Pancrease: Chymotrypsin/Trypsin (proteases) Bicarbonate
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Unformatted text preview: (neutralize HCl) Liver: Bile (secreted, stored in Gall Bladder) Bile Salts: breakdown, adsorption of fats Instestinal Wall Gland Cells: 4b. jejunum absorption absorption of molecules resulting from mechanical, enzymatic and chemical digestion. Water uptake. 4c. ilium absorption absorption of molecules resulting from mechanical, enzymatic and chemical digestion. Water uptake. 5. Large Intestine (Colon) Final absorption/reabsorption of water. Peristalsis. Feces: become solid as water removed. Diarrhea: surface disturbed, water resorption reduced Constipation: Peristalsis reduced (water resorption). E. coli : bacteria fauna in colon (73% fecal mass) main source Vitamin K and gas. 6. Rectum terminus: sphincters...
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13 - (neutralize HCl) Liver: Bile (secreted, stored in Gall...

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