Chapter 9 Gen. Princ. Pharmacology Vocab. Flashcards
Autonomic Gangila
Groups of autonomic nerve cells located outside the central nervous system pg 311
Preganglionic nerves
Nerve fibers that extend from the central nervous system to the autonomic gangila. Pg 311
Postganglionic nerves
Nerve fibers the extend from the autonomic ganglia to the target tissues. Pg 311
Synapse
space between nerve cells Pg 311
Neuroeffector junction
specialized synapse between a nerve cell and the organ or tissue it innervates Pg 311
Neurotransmitter
Chemical messenger that conducts a nervous impulse across a synapse Pg 311
Neuron
Nerve cell Pg 311
Cholinergic
Pertaining to the nerotransmitter acetylcholine pg 311
Adrenergic
Pertaining to the nerotransmitter norepinephrine pg 311
Alpha 1 receptors
Cause peripheral vasoconstriction, mild bronchoconstriction, and stimulation of metabolism
Pg. 321
Alpha 2 receptors
Are found on the presynapstic surfaces of sympathetic neuroeffector junctions. stimulation of A2 receptors is inhibitory. Serve to prevent overrelease of norepinephrine in the synapse Pg. 321
Beta 1 receptors
Cause increases in heart rate, cardiac contractile force, and cardiac automaticity and conduction. Pg. 321
Beta 2 receptors
Cause vasodilation and bronchodilation. Pg 321
Medications that stimulate the sympathetic nervous system.
Sympathomimetics Pg. 321
Medications that inhibit the sympathetic nervouse system.
Sympatholytics Pg 321
