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TB-20 Angle Vertex

角孙 〔角孫〕jiǎo sūn

Channel: TB, Hand Lesser Yáng (shào yáng) Triple Burner Channel

Modern location: An acupoint located on the lateral aspect of the head, immediately superior to the apex of the ear, just above the hairline.

Classic location: Up from Skull Rest (TB-19), at the place above the ear where a hollow appears when the mouth is opened. (Yī Zōng Jīn Jiàn)

Local anatomy: The branches of the superficial temporal artery and vein. The branches of the auriculotemporal nerve.

Action: Clears the head and brightens the eyes; courses wind and quickens the network vessels.

Modern indications: Swelling of the cheek; eye screens; toothache; stiff nape.

Classic indications: Swelling of the gums that prevents chewing; eye screens; stiffness in the nape and neck; red swollen auricle.

Needle stimulus: Needling: 0.1 cùn perpendicular insertion or 0.2‒0.8 cùn transverse insertion. Moxa: 3 cones; pole 5‒10 min.

Point groups: Intersection point (jiāo huì xué) of the gallbladder and triple burner channels.

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