The Bonghan duct is named after Kim Bong-han, a North Korean professor from Pyongyang Medical University, who reported in 1962 that he had found the anatomical structures of meridian-collaterals known as Bonghan corpuscles (BHCs) and Bonghan ducts (BHDs).
In 1962, Kim Bong-han, a Professor of Pyongyang Medical University, reported that he had found the anatomical structure of meridian-collaterals, which he named Bonghan corpuscles (BHCs) and Bonghan ducts (BHDs).