n.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 horn of the spinal cord
...extrapyramidal motor systems)，严格来说，此名称并不恰当，因为锥体 外运动系统是指除了锥体运动系统(pyramidal motor system)以外之其他所有疛运动径 路而言，事实上，皮质网状脊髓径路(corticoreticulospinal pathway)亦属于椎体外运动系 统，当其受损会造...
n.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 horn of the spinal cord