drawing acupuncture point si16 tianchuang-acu2021, 3d , blue background

acu2021 acupoints acupressure acupuncture acupuncturist alternative anatomical anatomy background blue body celestial character chinese chuang drawing english figure human illustration intestine medical medicine meridian meridians model name pinyin point science si16 skin small tcm tian tianchuangacu2021 traditional windows