VI - Autonomic Regulation Flashcards
Major involuntary, unconscious, automatic part of the nervous system
Autonomic Nervous System
Major Parts of Autonomic Nervous System
Parasympathetic, Sympathetic, Enteric
Sympathetic NS: Spinal Roots of Origin
T1-12, L1-5
Sympathetic NS: Location of Ganglia
Paravertebral chains that lie along the spinal column
Sympathetic NS: Pre-ganglionic Fibers
short
Sympathetic NS: Post-ganglionic Fibers
long
Paraympathetic NS: Spinal Roots of Origin
CN III, VII, IX, X, sacral segments of spinal cord
Paraympathetic NS: Location of Ganglia
Most are located in the organs innervated
Paraympathetic NS: Pre-ganglionic Fibers
Long
Paraympathetic NS: Post-ganglionic Fibers
Short
Sympathetic NS: pupils
mydriasis α1
Sympathetic NS: heart rate
tachycardia β1
Sympathetic NS: heart contractility
increased β1
Sympathetic NS: skin/splanchnic BV
constriction α1
Sympathetic NS: skeletal muscle BV
dilation β2, M3
Sympathetic NS: bronchi
dilation β2
Sympathetic NS: GIT walls
relaxation α2, β2
Sympathetic NS: GIT sphincters
contraction α1
Sympathetic NS: bladder wall
relaxation β2
Sympathetic NS: bladder sphincter
contraction α1
Sympathetic NS: uterus
contraction α1, relaxation β2
Sympathetic NS: penis
ejaculation α
Sympathetic NS: sweat glands
increase sweating α
Sympathetic NS: liver
gluconeogenesis, glycogenolysis α, β2
Sympathetic NS: fat cells
lipolysis β3
Sympathetic NS: kidney
increase renin β1
Parasympathetic NS: pupils
miosis and accomodation M3
Parasympathetic NS: heart rate
bradycardia M2
Parasympathetic NS: heart contractility
decreased M2
Parasympathetic NS: bronchi
constriction M3
Parasympathetic NS: GIT walls
contraction M3
Parasympathetic NS: GIT sphincters
relaxation M3
Parasympathetic NS: GIT secretion
increased M1, M3
Parasympathetic NS: bladder wall
contraction M3
Parasympathetic NS: bladder sphincter
relaxation M3
Parasympathetic NS: uterus
contraction M3
Parasympathetic NS: penis
erection M
