Eti Sthapak
Skull base is a complicated region with number of foramina providing the only portal of access to otherwise closed cranium. The jugular foramen (JF) lies at the posterior end of petro-occipital fissure. It is divided into 2 compartments Pars nervosa (PN) and Pars vascularis (PV) by bony processes arising either from temporal or occipital bone.
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