Symmetrical axo-axonic synapses in the axon cap of the goldfish Mauthner cell.
D000818:Animals; D001369:Axons / Q000166:cytology; D002490:Central Nervous System / Q000166:cytology*; D003530:Cyprinidae; D008854:Microscopy, Electron; D009411:Nerve Endings / Q000166:cytology*; D013569:Synapses / Q000166:cytology*; D013572:Synaptic Vesicles