Acupuncture Point “Hegu” (LI4) is Close to the Vascular Branch from the Superficial Branch of the Radial Nerve

Figure 6

A vascular branch of the superficial branch of the radial nerve (SBRN). The nerve fibers of the vascular branch were adjacent to the radial artery (hematoxylin eosin stain). m, media; ad, adventitia; i, intima; n, nerve fibers of the vascular branch. All scale bars indicate 500 μm (Panel (a) ×2/0.16 objective lens; Panel (b)-(d) ×4/0.16 objective lens).

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