(Chapter 12) Footnote 53:

Also called by the eponym foramen Vesalii. The foramen of Vesalius occurs occasionally in the human skull, transmitting a small emissary (the “vein of Vesalius”) from the cavernous sinus to the pterygoid plexus. On this example of anatomical variability, see Straus and Temkin 1943, pp. 613-614.