The Autonomic Nervous System Flashcards
Sympathetic effect on the heart’s rate of contraction
Increase
β1 > β2
Sympathetic effect on the heart’s force of contraction
Increase
β1 > β2
Sympathetic effect on most arteries
Vasoconstriction
α1
Sympathetic effect on veins
Vasoconstriction
α1, α2
Sympathetic effect on skeletal muscle
Vasodilation
β2
Sympathetic effect on bronchiolar smooth muscle
Bronchodilation
β2
Sympathetic effect on bladder wall
Relaxation
β2
Sympathetic effect on ureter
Contraction
α1
Sympathetic effect on sphincter
Contraction
α1
Sympathetic effect on (pregnant) uterus
Relaxation
β2
Contraction
α1
Sympathetic effect on penis/vas deferens
Ejaculation
α1
Sympathetic effect on salivary glands
Increase secretion
α1
Sympathetic effect on smooth muscle walls
Relaxation
α2, β2
Sympathetic effect on smooth muscle sphincters
Contraction
α1
Sympathetic effect on secretion
Inhibition
α2
Sympathetic effect on hair follicles
Contraction
α1
Sympathetic effect on skin smooth muscle
Piloerection
Sympathetic effect on sweat glands (thermoregulation)
Increase secretion
M3
Sympathetic effect on apocrine (stress)
Increase secretion
α1
Sympathetic effect on radial/dilator muscle (iris)
Contraction
α1
Sympathetic effect on ciliary muscle
Relaxation
β2
Sympathetic effect on ciliary epithelium
Increase secretion of aqueous humor
β2
Sympathetic effect on liver
Glycogenesis and gluconeogenesis
α1, β2
Sympathetic effect on fat cells
Lipolysis
α1, β1, β2, β3
Sympathetic effect on kidneys
Increase renin secretion
β1
Sympathetic effect on pancreas
Decrease insulin resistance
α2
Parasympathetic effect on the heart’s rate of contraction
Decrease
M2
Parasympathetic effect on the heart’s force of contraction
Decrease
M2
Parasympathetic effect on the endothelium
Release EDRF
M3
Parasympathetic effect on bronchiolar smooth muscle
Bronchoconstriction
M2, M3
Parasympathetic effect on bladder wall
Contraction
M3
Parasympathetic effect on ureter
Relaxation
M3
Parasympathetic effect on sphincter
Relaxation
M3
Parasympathetic effect on (pregnant) uterus
Variable
M3
Parasympathetic effect on the penis/vas deferens
Erection
M3
Parasympathetic effect on salivary glands
Increase secretion
M3
Parasympathetic effect on smooth muscle walls
Contraction
M2, M3
Parasympathetic effect on smooth muscle sphincters
Relaxation
M2, M3
Parasympathetic effect on secretion
Increase secretion
M2, M3
Parasympathetic effect on circular muscle (iris)
Contraction
M3
Parasympathetic effect on ciliary muscle
Contraction
M3