Also in the desperately-needed medical field, only some translators, trained by the doctors working for the Dutch trading houses in Dejima, put out schools that brought down a branch of medical science, a blending of Japanese and western styles of medical techniques, called Koumougeka (紅毛外科) (red hair surgery) by heredity, and although the Edo bakufu called on some Chinese classical literary people such as Genjo NORO and Konyo AOKI to solve the issue, they could only wrote down some 700 words.
また、切実に求められた医学の分野では出島オランダ商館医に指導を受けた通詞の家のいくつかが紅毛外科（こうもうげか）と称する和洋折衷の医学を一子相伝的に伝える流派を生み出すのみであり、幕府は漢文学者であった野呂元丈、青木昆陽らを招聘して対策に当たらせたが単語700余りを書き留めるに終わってしまった。