B21 Wei Shu ( Back Shu Point of the Stomach , V21 )

Location - - 1 . 5 cun lateral to the Du Meridian , at the level of the lower border of the spinous process of the twelfth thoracic vertebra

Indications Pain in the chest and hypochondriac and epigastric regions , anorexia , abdominal distension , borborygmus , diarrhea , nausea , vomiting .

Method Puncture obliquely - 0 . 5 - 0 . 8 inch . Moxibustion is applicable .

Vasculature The medial branches of the posterior branches of the subcostal artery and vein .

Innervation The medial cutaneous branch of the posterior ramus of the twelfth thoracic nerve , deeper , its lateral branch .