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CV-12 Central Stomach Duct

中脘 〔中脘〕zhōng wǎn

Alternate names: 上纪 shàng jì, Upper Regulator; 太仓 tài cāng, Supreme Granary; 胃募 wèi mù, Stomach Alarm; 胃脘 wèi wǎn, Stomach Duct; 中管 zhōng guǎn, Central Duct

Channel: CV, Controlling (rèn) Vessel

Modern location: An acupoint located on the upper abdomen, 4 cùn superior to the umbilicus on the midline.

Classic location: Directly above Interior Strengthening (CV-11), four cùn above the navel, midway between the navel and the bone that covers the heart. (Yī Zōng Jīn Jiàn)

Local anatomy: The superior epigastric artery and vein. The anterior cutaneous branch of the seventh intercostal nerve.

Action: Harmonizes the stomach and downbears counterflow; fortifies the spleen and disinhibits dampness.

Modern indications: Stomach pain; retching and vomiting; acid swallowing; abdominal distension; diarrhea; jaundice; mania and withdrawal.

Classic indications: Abdominal pain; abdominal fullness; rumbling intestines; stomach pain; scorched stench in the nose; difficult defecation; yellow or reddish urine; loss of taste; cholera (sudden turmoil); deathlike reversal; acute and chronic fright wind; damage due to preoccupation; heart pain; generalized swelling; vacuity taxation and blood ejection; mania and withdrawal; jaundice; running piglet (bēn tún); postpartum blood dizziness; internal damage to the spleen and stomach.

Needle stimulus: Needling: 0.8‒1.5 cùn perpendicular insertion. Moxa: 7‒14 cones; pole 20‒30 min.

Needle sensation: Distension, numbness, or heat following the course of the controlling vessel upward and downward, or laterally downward.

Point groups: Alarm point (mù xué) of the stomach; meeting point (huì xué) of the six bowels; one of the nine needles for returning yáng; intersection point (jiāo huì xué) of the controlling vessel and the small intestine, triple burner and stomach channels.

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