| 释义 |
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. |