TentoriumNerve anastomosisRhomboid lipMiddle cranial fossaPosterior fossaForamen magnumFM ClinicalCerebellopontine angleCPA clinicalJugular foramenTrianglesMeningeal anatomyAnterior skull baseSuperior orbital fissureSuperior orbital fissure syndromeSellaDural ringDorsal clinoidal spaceSyndromic craniosynothosis