GI A&P

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Author:
pdorse
ID:
161231
Filename:
GI A&P
Updated:
2012-07-06 07:30:22
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GI
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GI A&P
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  1. Lower esophageal Sphincter
    Between the esophagus and the stomach
  2. Pyloric Sphincter
    Between the stomach and the Small intestine
  3. Gastric Juices in the stomach
    • Hydrochloric Acid
    • Pepsin
  4. Parts of the Small Intestine
    • Duodenum
    • Jejunum
    • Ileum
  5. Function of Small intestine
    • Digestion of Proteins and carbs
    • Absorption of digested Food water and minerals
    • Produces enzymes Maltase sucrase lactase & peptidase
  6. Parts of the Large Intestine
    • Ileocecal Valve
    • Cecum
    • Appendix (Veriform)
    • Ascending Colon (Right side of abdomen)
    • Transverse Colon
    • Descending Colon (Left side of abdomen)
    • Sigmoid Colon
    • Rectum
    • Anal Canal
    • Anus
  7. Function of the Large Intestin
    • Stores undigested food
    • Forms Stool
    • Where bacteria produce vitamin K and B-complex
  8. Salivary Glands
    • Parotid
    • Submandibular
    • Sublingual
  9. Salivary Amylase
    Begins digestion of starch.
  10. Functions of the liver
    • Manufactures Bile
    • Stores Glycogen
    • Modifies Fat
    • Stores Vitamins and Iron
    • Forms Blood Plasma
    • Destroys old RBC's
    • Synthesis Urea
  11. Functions of the Pancreas
    • produces enzymes- that digest fats proteins and carbs
    • produces hormones - insulin and glucagon
    • releases sodium bicarbonate (neutralizes chyme in small intestines
  12. Gastric Juices contain
    • Digest protein
    • Parietal cells : secrete HCL which activates pepsinogen into PEPSIN
    • �Pepsin
  13. Chief cells :
    • secrete inactive PEPSINOGEN
    • �?Chief Enzyme p.178 (Pepsin-converts protein to proteoses and peptones)
  14. Intrinsic factor
    Glycoprotein produced by the parietal cells of the gastric mucosa - allows absorption of vitamin B12
  15. Pancreatic Juices Contain
    • Lipase - digests Fat
    • Amylase - digests Starch
    • Protease (Trypsin) - digests Protein
    • Nucleas - digests nucleic acid
  16. Pernicious anemia,
    an autoimmune disease, autoantibodies directed against intrinsic factor or parietal cells themselves lead to an intrinsic factor deficiency, malabsorption of vitamin B12,
  17. Bariatric surgery
    a known risk factor in the development of pernicious anemia. Other risk factors contributing to this condition are stomach tumors, gastric ulcers, and excessive consumption of alcohol.
  18. Bariatric surgery
    (weight-loss surgery) includes a variety of procedures performed on people who are obese. Weight loss is achieved by reducing the size of the stomach, through removal of a portion of the stomach (sleeve gastrectomy or biliopancreatic diversion with duodenal switch) or by resecting and re-routing the small intestines to a small stomach pouch (gastric bypass surgery).

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