Enrichment of nerve--muscle synapses in spinal cord--muscle cultures and identification of relative peaks of ACh sensitivity at sites of transmitter release.

Acetylcholine/metabolism,pharmacology Animals Bungarotoxins/metabolism Chick Embryo Culture Techniques Dose-Response Relationship, Drug Electric Stimulation Evoked Potentials/drug effects Muscles/drug effects,physiology Neuromuscular Junction/embryology Neurons/physiology Neurotransmitter Agents/metabolism Receptors, Cholinergic Spinal Cord Stimulation, Chemical Synapses/physiology

Bungarotoxins Neurotransmitter Agents Receptors, Cholinergic Acetylcholine