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crown (outer portion) - neck (narrow part below gum line) - root (end) - pulp cavity (core)
Esophagus passes through the diaphragm...part of stomach protrudes through opening in diaphragm into thorax...
Most often occurs in men over 40...cause unknown...often associated with H. Pylori bacteria...
Predisposing factors of gastric ulcers...
Pernicious anemia...blood type A...carcinogenic foods (smoked meats, nitrates, and pickled foods)
Narrowing of pyloric sphincter...signs appear at birth...symptom is projectile vomiting...
most important malabsorption condition...villi atrophy in response to gluten foods...
Regional Enterisitis...Inflammatory Bowel Disease (IBD)...affects terminal ileum and colon...inflammation of GI tract
Inflammation of the peritoneum or membrane that lines the abdominal cavity...usually result of spread of infection or puncture wound...
Condition of the large intestine that forms sacs in the lining...herniation of intestinal mucosa...
Inflammation of the rectum that progresses to the sigmoid colon...causes increased risk for colorectal cancer...Symptoms are diarrhea and severe cramping...
Risks for Primary Liver Cancer are...
Hepatitis B, C, and D - Cirrhosis - heavy smoking and alcohol use
Liver cells are damaged which results in inflammation and necrosis...scar tissue forms in the liver...
Infectious hepatitis most commonly transmitted through contaminated food or water and is curible...
Serum Hepatitis...transmission through IV drug use and exposure to blood and bodily fluids and sexual transmission...has long incubation period.
Inflammation of the pancreas...commonly associated with alcoholism, biliary tract obstruction, drug toxicity, gallstone obstruction...
Space that houses heart, thymis gland, trachea, esophagus, nerves, lymph, and blood vessels...
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