Synaptic transmission.
D000109:Acetylcholine; D000596:Amino Acids; D002395:Catecholamines; D018377:Neurotransmitter Agents; D009638:Norepinephrine; D013569:Synapses; D009435:Synaptic Transmission
D000596:Amino Acids; D002395:Catecholamines; D018377:Neurotransmitter Agents; D000109:Acetylcholine; D009638:Norepinephrine