《黄帝内经·灵枢·邪气藏府病形》
岐伯回答说：这是手足各阳经的别络入于体内，再连属于六腑的情况。
岐伯答曰：此阳脉之别入于内，属于腑者也。
Qibo replied: This is the situation where the separate collateral channels of the Yang meridians of the hands and feet enter the body and again connect to the six hollow organs.