Adrenergic neuron blockade by clonidine: comparison with guanethidine and local anesthetics.

Amphetamine/pharmacology Anesthetics, Local/pharmacology Animals Antihypertensive Agents/pharmacology Anura Autonomic Fibers, Postganglionic/drug effects Clonidine/pharmacology Cocaine/pharmacology Cornea/drug effects Depression, Chemical Drug Interactions Electric Stimulation Guanethidine/pharmacology Heart/drug effects Imidazoles/pharmacology In Vitro Techniques Muscle Contraction/drug effects Neural Inhibition Norepinephrine/metabolism Perfusion Procaine/pharmacology Rabbits Rana esculenta Sciatic Nerve/drug effects Synaptic Transmission/drug effects Tetracaine/pharmacology

Anesthetics, Local Antihypertensive Agents Imidazoles Tetracaine Procaine Amphetamine Cocaine Clonidine Norepinephrine Guanethidine