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Posterior Fossa Veins

Last Updated: March 25, 2020


The veins of the posterior fossa are divided into four groups: superficial, deep, brainstem, and bridging veins. The superficial veins are divided on the basis of which of the three cortical surfaces they drain; the tentorial surface is drained by the superior hemispheric and superior vermian veins, the suboccipital surface is drained by the inferior hemispheric and inferior vermian veins; and the petrosal surface is drained by the anterior hemisph...