title: Reciprocal axo-axonal synapses between excitatory and inhibitory neurons in crustaceans.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D003386:Brachyura; D009132:Muscles / Q000294:innervation; D009433:Neural Inhibition; D009469:Neuromuscular Junction / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure; D013569:Synapses / Q000648:ultrastructure*; D009435:Synaptic Transmission; D013572:Synaptic Vesicles / Q000648:ultrastructure