I The motor(descending) pathways 运动(下行)传导路 1. The pyramidal system锥体系★ > The corticospinal trac↑皮质脊髓束 > The corticonuclear tract皮质核束 2. The extrapyramidal system锥体外系 The cortico-neostriated body-dorsothalamus-cotex circuit皮质-新纹状体-背侧丘脑-皮质环路 the neustriated body-substantia nigra circuit 新纹状体-黑质环路 The globus pallidus- subthalamus circuit苍白球-黑质环路 The corticoponto-cere bellar-cortex circuit 皮质-脑桥-小脑-皮质环路Ⅱ.The motor (descending) pathways 运动（下行）传导路 1. The pyramidal system 锥体系 ★ ➢ The corticospinal tract 皮质脊髓束 ➢ The coticonuclear tract 皮质核束 2. The extrapyramidal system 锥体外系 ➢ The cortico-neostriated body-dorsothalamus-cotex circuit 皮质-新纹状体-背侧丘脑-皮质环路 ➢ The neustriated body-substantia nigra circuit 新纹状体-黑质环路 ➢ The globus pallidus-subthalamus circuit 苍白球-黑质环路 ➢ The corticoponto-cere bellar-cortex circuit 皮质-脑桥-小脑-皮质环路