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PNUR 121 key terms chap. 07
drugs affecting functions of the autonomic nervous system
16
Medical
Undergraduate 1
05/26/2009

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Term
acetylcholine
Definition
primary neurotransmitter of the parasympathetic nervous system; also present at somatic neuromuscular junctions and at sympathetic preganglionic nerves
Term
adrenergic
Definition
a term relating to nerves that release norepinephrine or epinephrine
Term
adrenergic agent
Definition
another name for a sympathomimetic drug
Term
adrenergic-blocker
Definition
drug that blocks the actions of the sympathetic nervous system
Term
alpha-receptors
Definition
type of subreceptors found in the sympathetic nervous system
Term
anticholinergic
Definition
drug that inhibits the action of acetycholine at its receptor
Term
beta-receptor
Definition
type of subreceptor found in the sympathetic nervous system
Term
cholinergic
Definition
a term relating to nerves that release acetylcholine
Term
cholinergic agent
Definition
another name for a parasympathomimetic drug
Term
cholinergic-blocker
Definition
drug that blocks the actions of the parasympathetic nervous system
Term
ganglia
Definition
collections of neuron cell bodies located outside the CNS
Term
nicotinic
Definition
type of cholinergic receptor found in ganglia of both the sympathetic and parasympathetic nervous systems
Term
norepinephrine
Definition
primary neurotransmitter in the sympathetic nervous system
Term
parasympathomimetics
Definition
drugs that mimic the actions of the parasympathetic nervous system
Term
sympathetic nervous system
Definition
portion of the autonomic system that is active during periods of stress and which produces the fight-or-flight response
Term
sympathomimetic
Definition
drug that mimics the actions of the sympathetic nervous system
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