(Chapter 6) Footnote 112:

Vesalius cites De usu partium Book 9; see 3.694.1ff (May p. 429), e)kde/xetai de\ tou=ton h)qm%= tini proseoiko\j o)stou=n ei)j th\n u(per%/an perai=non: au(/th me\n h( tw=n paxe/wn perittwma/twn o(doj, “The gland is succeeded by a bone like a colander, that terminates at the palate, and this is the route of the thick residues,” and May’s note on Galen’s error.