eight extraodinary meridians
- Conception Vessel (任脉) (Ren Mai) (CV)
- Governor Vessel (督脉) (Du Mai) (GV)
- Thoroughfare Vessel (冲脉) (Chong Mai)
- Belt Vessel (带脉) (Dai Mai)
- Yin Link Vessel (阴维脉) (Yin Wei Mai)
- Yang Link Vessel (阳维脉) (Yang Wei Mai)
- Yin Heel Vessel (阴跷脉) (Yin Qiao Mai)
- Yang Heel Vessel (阳跷脉) (Yang Qiao Mai)