title: [Presynaptic inhibition and facilitation].
mesh_terms: D000200:Action Potentials; D000818:Animals; D009431:Neural Conduction; D009433:Neural Inhibition; D018377:Neurotransmitter Agents / Q000096:biosynthesis; D013569:Synapses / Q000502:physiology*
chemical_list: D018377:Neurotransmitter Agents