Now, the spinothalamic tract is a bit different, because it crosses over to the opposite side of the spinal cord 1 or 2 spinal segments above, where the 1st order neurons enter.

脊髓丘脑束则有点不同，因为其第一级神经元群位置的关系，会在上升1或2个脊髓节段后交叉到对侧。