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Yinjiao (DU-28), “Gum Intersection”, inside the upper lip, is the last point of the Governing Vessel. It benefits the gums, nose and eyes and calms the spirit.
Location
Inside the upper lip, at the junction of the upper lip frenulum and the upper gum.
Anatomy
At the upper labial frenulum; the superior labial artery; the superior alveolar nerve.
Actions & Functions
- Benefits the gums and nose
- Calms the spirit and clears heat
- Benefits the eyes
Indications
Swelling and pain of the gums, nasal congestion and polyps, mania, and eye disorders.
Needling
0.1-0.2 cun, oblique upward insertion, or prick to bleed.
Moxibustion Suitability
Moxibustion is not used at this point.
Point Combinations
With DU-26 and LI-20 for the face and nose.
Classical Text References
The last point of the Du Mai; a meeting point with the Ren Mai and Stomach channel.
Cautions & Contraindications
Maintain hygiene; the point is inside the mouth.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.