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37 Cards in this Set

  • Front
  • Back
part of the efferent division of the PNS (incl. some visceral afferent neurons) that maintains homeostasis
autonomic nervous system (ANS)
controls mobilization of energy stores in times of need
sympathetic nervous system
thoracolumbar (T1 - L2)division of nervous system
sympathetic nervous system
neurotransmitter secreted by most sympathetic fibers
norepinephrine
neurotransmitter secreted by most parasympathetic fibers
acetylcholine
organs innervated by ANS
eye (III, VII)
salivary glands (VII, IX, X)
heart
lungs
stomach
pancreas
liver/gall bladder
adrenals (sympathetic only)
bladder
genitals
cholinergic fibers release ___
acetylcholine
adrenergic fibers release ___
norepinephrine
catecholamines
epinephrine
norepinephrine
dopamine
types of adrenergic receptors
α1
α2
β1
β2
β3 - stim lypolysis
most α receptors are this type
α1
incr. HR/contractility, release renin
β1
adrenergic receptors stimulated by norepinephrine
α (esp. α1 - vasoconstriction)
β1
adrenergic receptors stimulated by epinephrine
all (esp. β - vasodilation)
effect of β1
incr. HR/contractility
dilate coronary arterioles
stim. renin release
effect of β2
stim. insulin secretion
vasodilation
bronchodilation
relax GU, GI walls
effect of α1
vasoconstriction
constrict sphincters
dilate pupils
(all but heart)
effect of α2
clotting
mydriasis
sympathetic
miosis
parasympathetic
lacrimal gland stim
parasympathetic
salivary gland stim
parasympathetic
sweat gland stim
sympathetic
incr. HR/contractility
sympathetic
decr. HR/contractility
parasympathetic
skin/GI vasoconstriction
sympathetic
dilatess bronchial tubes
sympathetic
constricts bronchial tubes
parasympathetic
bronchial gland stim.
parasympathetic
inhibits GI motility/secretion
sympathetic
stim GI motility/secretion
parasympathetic
contracts GI sphincters
sympathetic
relaxes GI sphincters
parasympathetic
adrenal gland stim.
sympathetic
contracts bladder
parasympathetic
ejaculation
sympathetic
genital erection
parasympathetic