Name: Yu Zhen
Location:
1.3 cun lateral to Nao Hu Du-17 (which is in the depression superior to the occipital protuberance, 1.5 cun superior to Feng Fu Du-16).

Name: Yu Zhen
1.3 cun lateral to Nao Hu Du-17 (which is in the depression superior to the occipital protuberance, 1.5 cun superior to Feng Fu Du-16).