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Cardio
Lecture 6
9
Physiology
Undergraduate 2
02/27/2011
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Term
Flow
 Definition
1/R
Term
NE
 Definition
alpha receptors
constriction
increase R
Term
basal tone
 Definition
set by NE
standard R
Term
vasoconstrict
 Definition
NE
Term
vasodilate
 Definition
-metabolites
-NO
-epinephrine(B2)
Term
active hyperemia
 Definition
-increased tissue metabolism
-increased vasodilators
-arterioles dilate
-increased nutrient supply
-heart and skeletal muscle
Term
active hyperemia
 Definition
-increased tissue metabolism
-increased vasodilators
-arterioles dilate
-increased nutrient supply
-heart and skeletal muscle
Term
high symp nerve activity
 Definition
liver/dig tract
kidneys
skin
Term
autoregulation
 Definition
brain
myogenic stretch reflex
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