滑车神经

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又名颅神经第四步，滑车神经控制上斜肌，帮助眼睛转向鼻子向下和侧向。

WATCH THIS 2-MINUTE NEUROSCIENCE VIDEO TO LEARN MORE ABOUT THE TROCHLEAR NERVE.

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观看这段2分钟的神经科学视频，了解更多关于滑车神经的知识。