The corticospinal tract is a descending pathway that carries motor information from the brain to different muscles in the body, and it controls voluntary muscle movement.

皮质脊髓束是一条下行通路，携带从大脑向全身肌肉传递的动作信息，控制肌肉的随意运动。

Finally, there's the corticospinal tract, which is a descending pathway that carries motor information from the brain to different muscles in the body, and it controls voluntary muscle movement.

最后是皮质脊髓束：它是一条携带运动信息的下行通路，将运动信息从大脑传输到身体的不同肌肉，控制着肌肉随意运动。