Extra systems

Kept apart from the twelve primary channels so the maps do not blur.

• Ren vesselFully detailed, with its own points.
• Du vesselFully detailed, with its own points.
• ChongThe sea of blood, studied with the opening point SP4.
• DaiThe belt vessel, the only horizontal channel in the usual set.
• Yin QiaoThe yin heel vessel. KI6 opens it.
• Yang QiaoThe yang heel vessel. BL62 opens it.
• Yin WeiLinks the yin channels. PC6 opens it.
• Yang WeiLinks the yang channels. SJ5 opens it.
• Extra pointsYintang, Anmian, and the other famous outsiders.
• Auricular zonesThe ear is mapped as its own microsystem. These are not body-meridian points.
• Scalp linesJiao-style scalp lines are clinic maps. They are not Du-channel points and not a self-needling guide.