any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
calquera dos nervios motores importantes de cada lado do sistema nervioso central que van dende as áreas sensoriomotoras do córtex a través do tronco cerebral ata as neuronas motoras dos núcleos do nervio cranial e a raíz ventral da medula espiñal