Transcript Slide 1
1. Ingestion 4. Secretion 5. Absorption 2. Mechanical processing 6. Excretion 3. Digestion • Tooth decay by bacteria that produce acid and demineralize the enamel and dentin (form plaque on teeth) • Inflammation and degeneration of gingivae (gums), alveolar bone, periodontal ligament, and cementum • Myxovirus infects parotid glandinflammation • Fever, extreme pain in throat • Swelling on one or both sides of face • Testes can also become inflamed • Immunization available • Lower sphincter fails to relax • Food passage impeded and food lodged in esophagus • Lower sphincter fails to close • Hydrochloric acid bubbles up esophagus • Antacids help neutralize HCL • Bulging of stomach • Narrowing of pyloric sphincter by through enlarged muscle esophageal hiatus fibers • Hallmark symptomprojectile vomit • Surgery needed • 5-10% of population • Normal balance between destructive and protective forces upset • Stimulated by Campylobacter pylori, stress, smoking, alcohol, coffee, aspirin, medications • Mucosal cells of small intestine do not produce lactase • Bacterial fermentation occurs and produces gas, bloating, diarrhea, and cramps • Medications available Diverticula- saclike outpouchings of wall of colon where muscularis weak Become inflamed Prevented by high fiber diet • First performed in 1989- 21 month old received part of Mother’s liver – Liver regenerates well • Also been done for pancreas, kidney and bone marrow • Yellowish color of sclera, skin, and mucous membranes due to build up of bilirubin • Three catagories – Excessive production of bilirubin – Dysfunction of liver cells – Blockage of bile drainage • Formed as a result of precipitation of cholesterol and bile salts in gall bladder • Diagnosed by ultrasound • Often no symptoms • If obstructing the gall bladder, severe pain in upper right side of abdomen • Can be removed by surgical procedures