頂中線 (Dǐngzhōngxiàn) — Middle Line of Vertex
Scalp acupuncture line (WHO 1991) · Scalp — Vertex
Location
On the vertex, along the midline of the head from GV20 to GV21.
Distances are in cun, a proportional unit — how to measure.
Clinical Notes
One of the fourteen scalp acupuncture lines of the WHO 1991 standard nomenclature. The lines were formerly named after the functional zones of the brain beneath them; the standard renamed them by surface anatomy so they are easier to locate, without changing that relationship.
Similar Points
Sources
- World Health Organization. A proposed standard international acupuncture nomenclature: report of a WHO Scientific Group. Geneva: WHO, 1991. §3.6, Figs. 1–7.
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