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Exam 3
Reproductive, Kidney, GI, Endocrine
14
Pathology
Undergraduate 3
11/17/2009

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Cards

Term
Pancreas- Exocrine Roles
Definition
ACINI- sends digestive juices into the duodenum
Term
Pancreas- Endocrine Roles
Definition
ISLETS OF LANGERHANS- secretes hormones
Term
Hormones secreted by the Islets of Langerhans
Definition
Alpha- glucagon
Beta- Insulin, Amylin
Term
Insulin precursor
Definition
pro-insulin
Term
Insulin is Increased when...
Definition
1. increase in blood glucose
2. increase in amino acid intake
3. increase in GI hormones (ex. glucagon, gastrin)
Term
Insulin Decreased when...
Definition
1. decrease in blood glucose
2. high insulin levels already
3. increased prostoglandins (ie in a stress situation of inflammatory situation
4. sympathetic stimulation of glucagon
Term
insulin function
Definition
links with enzyme at cell and binds with GLUTS (insulin receptors to activate glucose into the cell)
***transports glucose into the cell
Term
insulin function
Definition
ANABOLIC HORMONE
*stimulates protein, fat synthesis
Term
Insulin also transports into cells
Definition
potassium, phosphorus, magnesium
Term
INcreased potassium= ______________
Definition
increased insulin
Term
Amylin
Definition
* secreted with insulin
* slows nutrient uptake
* induces satiety
Term
GLucagon
Definition
* increases when blood glucose is low
Term
GLucagon Actions
Definition
* glycogenolysis (breakdown of glycogen to glucose)
* gluconeogensis (formation of glucose from protein)
* lypolysis (breaking down of fat)
Term
COunterregulatory Hormones
Definition
* COUNTERACT insulin
* Regulate blood glucose levels when fasting, exercising, or stressed
EXAMPLES: catecholamines, Growth Hormone, Glucocorticoids
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