pyramidal horn

Motor neuron disease ( MND) is a kind of unexplained for violation of brainstem motor nerve, damage to the spinal cord anterior horn cells and pyramidal tract as the main features of chronic progressive disease variability.

运动神经元病（Motor Neuron Disease MND）是一种原因不明的以侵犯脑干运动神经、损害脊髓前角细胞和锥体束为主要特征的慢性进行性变异性疾病。

Amyotrophic lateral sclerosis ( ALS)) is one of the motor neural diseases, which selectively affects motor neurons in the anterior horn of spinal-cord, and the motor nuclei of brainstem and the pyramidal cells in the motor cortex of brain.

肌萎缩侧索硬化症（amyotrophic lateral sclerosis）属运动神经元病的一种，该病选择性损害脊髓前角运动神经细胞、脑干颅神经运动神经核细胞、以及大脑运动皮质锥体细胞。

A new method for designing an optimum pyramidal horn

设计最佳角锥喇叭的新方法