petrosal vein

petrosal vein
vena petrosa.

Medical dictionary. 2011.

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  • petrosal sinus — noun : any of four venous sinuses at the base of the brain: a. : a small superior sinus on each side that connects the cavernous and lateral sinuses of the same side b. : a larger inferior sinus on each side that extends from the end of the… …   Useful english dictionary

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