Woodblock illustration from a work on 'Chinese' medicine by the 18th century Japanese physician Hara Masakatsu, published in 1807 (4th year of the Bunkwa era). The sanjiao (Triple Burner) channel of hand shaoyang is one of the Twelve Channels. It originates at the guanchong (Rushing Pass) point at the outer edge of the hand and terminates at the ermen (Ear Portal) point in the face. Acu-moxa points on this channel located in the head and neck include tianyou (Celestial Window), yifeng (Wind Screen), chimai (acupoint), luxi (Skull's Rest), jiaosun (Minute Angle), ermen (Ear Portal), heliao (Grain Crevice) and sizhukong (Silken Bamboo Hollow).
