★ MajorEncontro Du Mai-BexigaVesícula BiliarTriplo AquecedorSafeCabeça
Depth
00.5–1 cun3.0
Transverse insertion
Precautions
No standard precautions
📍 Location (classical)
At the vertex of the head, on the midline, 5 cun posterior to the anterior hairline (and 7 cun superior to the posterior hairline) — directly at the intersection of the midline with the line connecting the auricular apices
🧭 How to find it (practical)
With the patient seated, locate the point 1 cun anterior to the midpoint of the line connecting the anterior and posterior hairlines. Alternatively, locate it at the intersection of the median line of the head with the line connecting both auricular apices, with the ears folded forward.
🔬 Anatomy
Epicranial aponeurosis. Innervated by the greater occipital nerve and the frontal nerve
💉 Needling
Transverse (subcutaneous) insertion, directed anteriorly or posteriorly, 0.5–1.0 cun
📜 Etymology
Bai (百), hundred; Hui (會), meeting. The point sits at the vertex where the three Hand and Foot Yang meridians, the Hand and Foot Jue Yin meridians, and the Du Mai all converge.
