Knowledge Base/Acupoints/Tianxi
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SP18 · 足太阴脾经

Tianxi tiān xī · 天溪

Location. On the chest, in the fourth intercostal space, 6 cun lateral to the anterior midline.

The name means "heavenly stream" — classical naming on the lateral chest uses stream imagery for points running along the intercostal spaces. This is a naming convention, not a claim about effect.

定位。在胸部,第 4 肋间隙,前正中线旁开 6 寸。

穴名意为「天之溪流」,古典以溪流之象命名沿肋间隙排列的胸部穴位。此处为命名描述,不涉及疗效主张。

Classical record · not a treatment recommendation. Needling technique is a licensed practitioner's skill and is out of scope here.
On the chest in the 4th intercostal space with the lung beneath and breast tissue laterally; pneumothorax is the recognised risk of needling too deeply. Not suitable for self-treatment.

Other points on the Foot Taiyin Spleen

19 related entries.

TaibaiSP3 · 太白GongsunSP4 · 公孙SanyinjiaoSP6 · 三阴交YinlingquanSP9 · 阴陵泉XuehaiSP10 · 血海DijiSP8 · 地机YinbaiSP1 · 隐白DaduSP2 · 大都LouguSP7 · 漏谷JimenSP11 · 箕门ChongmenSP12 · 冲门FusheSP13 · 府舍FujieSP14 · 腹结DahengSP15 · 大横FuaiSP16 · 腹哀ShidouSP17 · 食窦XiongxiangSP19 · 胸乡ZhourongSP20 · 周荣DabaoSP21 · 大包

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