n.[解]黑质；塞梅林氏神经节
It is believed to be jump-started by a loss of neurons in a midbrain region called the substantia nigra. 相信这是可以跳开始，由一个亏损的神经元在中脑区称为黑质。
It is caused by the death of nerve cells in a midbrain area called substantia nigra. 它是由于中脑塞梅林氏神经节中的神经细胞死亡导致的。
