<prompt> In the base of the skull, which of the following foramen is most anteriorly placed?Stylomastoid foramenForamen spinosumForamen ovaleJuglar foramen  <response>: The foramina in base of skull, in an order from anterior to posteriorForamen ovale.Canaliculus innominatus sometimesForamen spinosum.Carotid canal.Jugular foramen.Stylomastoid foramen.Sometimes, emissary sphenoidal foramen or foramen of Vesalius is situated between foramen ovale and scaphoid fossa in base of skull view - norma basalis.On the internal surface of base of skull, it opens between foramen rotundum and foramen ovale. 