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Receptors (Nicotinic (Cholinergic receptor, Acetylcholine is the…
Receptors
Nicotinic
Cholinergic receptor
Acetylcholine is the neurotransmitter
Preganglionic fibers
Form ligand gated channels in plasma membrane of neurons. Excitatory
Parasympathetic divison
Alpha 2
Norepinephrine and epinephrine used
Sympathetic division
Postganglionic fibers
Sedation and muscle relaxtation
Lower blood pressure
Andrenergic
Sympathetic Division
Postganglionic fibers
Norepinephrine is most commonly used
Change in heart rate and blood pressure
Cholinergic
Parasympathetic Division
Postganglionic fibers
Acetylcholine is used
Activates muscles, innervates heart, excitatory effects
Muscarinic
Parasympathetic division
Acetylcholine is used
Postganglionic fibers
Involved in vagal activation
Alpha 1
Sympathetic division
Postganglionic fibers
Norepinephrine and epinephrine used
Smooth muscle contraciton
Beta 1
Epinephrine
Sympathetic division
Postganglionic fibers
Increase heart rate and contraction strength
Beta 2
Sympathetic division
Epinephrine
Postganglionic fibers
Bronchioles and artioles dilate