protoneuron

protoneuron

 [pro″to-noo´ron] the first neuron in a peripheral reflex arc.

pro·to·neu·ron

(prō'tō-nū'ron), Hypothetic primordial neuron lacking polarization. [proto- + G. neuron, nerve]

protoneuron

(prō″tō-nū′rŏn) [″ + neuron, nerve] The initial neuron in a reflex arc.