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Definition of: neuron
Our photo definition of neuron 
(noor′on, nyoor′-) noun
1. Biol A nerve cell with all its processes and extensions.
2. Entomol. A vein or costa of an insect's wing. Also neu′ rone (-ōn). [<NL <Gk. neuros nerve]
—neu·ron·ic (n·ron′ik, ny-) adjective
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