[Location] Localized in the supine position or in the lateral recumbent position. On the lateral side of the end of the small toe, 0.1 cun from the corner of the nail. ( Fig.67 )
[Regional Anatomy] Skin→subcutaneous tissue→the base of nail. The distribution of the dorsal digital nerve derived from the lateral dorsal cutaneous nerve of foot, and the dorsal digital artery and vein of foot.