穴道名稱：胞肓

胞宮中的膏脂之物由此外輸膀胱經。“胞肓穴”，“胞”，包裹胎兒的膜質囊也。“肓”，心下膈膜也。胞肓名意指胞宮中的膏脂之物由此外輸膀胱經。本穴物質為來自胞宮中的膏脂之物，它與心下膈膜中外輸的膏脂之物同性，故名“胞肓穴”。

直刺0.8-1.2寸

有臀大肌，臀中肌及臀小肌；正當臀上動、靜脈；布有臀上皮神經，深層為臀上神經。

胞肓穴配委中穴治腰痛。

艾條灸5-10分鐘，艾炷灸3-5壯

Bladder Vitals

Borborygmus, abdominal distension, pain in the lower back, anuria. Three cun lateral to the Du meridian, at the level of the lower border of the spinous process of the second sacral posterior foramen.Vasculature: The superior gluteal artery and vein.
Innervation: The superior cluneal nerves; deeper, the superior gluteal nerve.