The twenty-eighth of fifty-one plates first published in Steven Blankaart's De nieuw hervormde anatomie ofte ontleding des menschen lichaams, Amsterdam 1686, with a Latin edition the following year. The plates are made up of uncredited reduced copies of previously published illustrations, several to a page. In the notes to this plate in James Drake's Anthropologia nova (London 1707, 2 vols), where the Blankaart plates were published in an appendix to the first volume, the figures are described as after those published by Reinier de Graaf, author of De succi pancreatici natura et usu excertatio anatomico medica (Leiden 1671)
