Location. On the back, 1.5 cun lateral to the lower border of the spinous process of the eighth thoracic vertebra; one point on each side.
The name means the transport point below the stomach, and it is also written Yishu in modern Chinese acupuncture literature, a name added in the twentieth century. It is a paired point outside the fourteen channels, on the back at the level of the eighth thoracic vertebra, on the same line as the Back Transport points of the Bladder channel though it is not one of them. That is worth stating plainly, because the site is easy to mistake for a channel point: the points on this line at 1.5 cun are a series, and a reader comparing charts will find this one sitting among them without belonging to the series. Later literature discusses it in the context of the upper abdomen. Its reported effects are not established by modern research and this entry makes no claim of benefit.
定位。在背部，第 8 胸椎棘突下旁开 1.5 寸，左右各一。
穴名意为胃脘之下的俞穴；近代针灸文献又写作「胰俞」，此名系二十世纪后所加。为十四经之外的奇穴，左右各一，位于背部平第 8 胸椎棘突，与膀胱经背俞穴同在旁开 1.5 寸的线上，但并不属于背俞之列。这一点值得明说：该处易被误认为经穴，1.5 寸侧线上的穴自成一列，读者对图时会发现本穴杂处其间而实不属于该列。后世文献多在上腹的语境下讨论本穴。所述作用未经现代研究证实，本条不作疗效陈述。
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