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GB-12 Completion Bone
完骨 〔完骨〕 wán gǔ
Channel: GB, foot lesser yáng (shào yáng) gallbladder channel
Modern location: An acupoint located on the lateral aspect of the neck, just inferior to the posterior border of the mastoid process.
Classical location: Four fēn into the hair at the back of the ear. From
Local anatomy: The posterior auricular artery and vein. The lesser occipital nerve.
Action: Rouses the brain and opens the orifices; disperses wind and clears heat.
Modern indications: Headache;
Classical indications: Wilting of the lower extremities with inability to walk; pain in the neck and nape; head wind with pain behind the ear; heart vexation; reddish urine; throat impediment (hóu bì); tooth decay; clenched jaw.
Needle stimulus: Needling: 0.3‒0.5 cùn downward oblique insertion. Moxa: 3‒7 cones; pole 5‒15 min.
Point groups: Intersection point (jiāo huì xué) of the gallbladder and bladder channels.
Point name meaning:
The term 完骨 (wán gǔ) is the traditional name for the mastoid process, which is the bony protuberance just behind the ear. This point is located at the edge of that process and is thus named for its location. See