3 cun lateral to Ren-12.
Transverse-oblique medial or lateral insertion 0.5 - 1 cun.
Deep perpendicular or oblique insertion carries a substantial risk of causing a pneumothorax.
Treats Spleen and Stomach disease.
Superficial Innervation: Lateral cutaneous thoracic nerve from T8
Dermatome Segment: T8
Basic information on location, needle depth, TCM actions, indications and combinations is taken from Deadman et al (2001): A Manual of Acupuncture with additional anatomical information researched by reference to Gray's Anatomy (38th Ed., 1995) unless otherwise referenced. Images were found on acupunctureschoolonline.com and can be traced back to Claudia Focks (2008) Atlas of Acupuncture originally. I cannot claim any credit or rights over them. Other sources should be quoted in the text.
For some of the more unusual terms I have created a glossary here