"The anterior pontomesencephalic vein runs anterior to the pons and mesencephalon and adheres to the anterior surface of those structures 1. It drains blood from the small pontine and mesencephalic veins into the basal veins of Rosenthal via the peduncular veins 1-3. It might be directly continuous with the anterior medullary vein or connect to it via one or both transverse pontine veins 1,2. Furthermore, it might connect to the superior petrosal vein/petrosal sinus, cavernous or marginal sinus via bridging veins 2,3."
"The anterior pontomesencephalic vein runs anterior to the pons and mesencephalon and adheres to the anterior surface of those structures 1. It drains blood from the small pontine and mesencephalic veins into the basal veins of Rosenthal via the peduncular veins 1-3. It might be directly continuous with the anterior medullary vein or connect to it via one or both transverse pontine veins 1,2. Furthermore, it might connect to the superior petrosal vein/petrosal sinus, cavernous or marginal sinus via bridging veins 2,3."