“I expose to men the origin of their first, and perhaps second, reason for existing.”1 Leonardo da Vinci (1452-1519)wrotethesewordsabovehisdrawing“The Copulation” in about 1493 (fig 1).2 The Renaissance sketch shows a transparent view of the anatomy of sexual intercourse as envisaged by the anatomists of histime.Thesemenwassupposedtocomedownfrom the brain through a channel which can be seen in the spine of the man. In the woman the right lactiferous duct is depicted as originating in the right female breastandendinginthegenitalarea.Evenageniuslike Leonardo da Vinci distorted men’s and women’s bodies—asseennow—tofittheideologyofhistimeand to the notions of his colleagues,who he paid tribute to.