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Pathophysiology Ch 9
Disorders of the Upper GI tract
6
Nursing
Undergraduate 3
10/31/2011

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Term
Hepatobiliary System
Definition

includes the liver, gallbladder, and pancreas

Term
Mucosa Layer
Definition
innermost layer of the GI tract that produces mucus
Term
Submucosa Layer
Definition
comprised of connective tissue that includes blood vessels, nerves, lymphatics, and secretory glands
Term
Muscle Layer
Definition
includes circular and longitudinal smooth muscle layers
Term
Serosa
Definition
Outer layer of the wall
Term
Liver's Primary Roles
Definition
  • metabolize carbs, protein, and fats
  • synthesize glucose, protein, cholesterol, triglycerides, and clotting factors
  • store glucose, fats and micronutrients and release them when needed
  • detoxify blood of potentially harmful chemicals
  • maintain intravascular fluid volumed through the production of circulating proteins
  • metabolize meds and prepare them for excretion
  • produce bile
  • inactivate and prepare hormones for excretion
  • remove damaged or old erythrocytes from blood to recycle iron and protein
  • serve as a blood reservior
  • convert fatty acids to ketones
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