Jugular Foramen Anatomy - Neuroradiology In axial images, simplify Jugular Foramen (JF) evaluation by following the easily identifiable “Petro-Clival Fissure with Inferior Petrosal Sinus” towards "Pars Nervosa" (PN) of JF, then identify “Jugular Spine” behind it separating PN from Pars Vascularis of JF Dr. Surjith Vattoth @drSurjthVattoth #Jugular #Foramen #CTHead #clinical #radiology #neurology #Neuroradiology