title: A new type of neuron with a distinctive axon initial segment.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D003712:Dendrites / Q000648:ultrastructure; D006054:Goldfish; D008870:Microtubules / Q000648:ultrastructure; D009474:Neurons / Q000648:ultrastructure; D009830:Olfactory Bulb / Q000166:cytology*; D013569:Synapses / Q000648:ultrastructure; D013570:Synaptic Membranes / Q000648:ultrastructure