Variations in the drainage of the lateral mesencephalic vein.
D002533:Cerebral Angiography; D003388:Cranial Fossa, Posterior / Q000000981:diagnostic imaging; D003392:Cranial Sinuses / Q000033:anatomy & histology*; D006801:Humans; D008636:Mesencephalon / Q000098:blood supply*; D010690:Phlebography; D011149:Pons / Q000098:blood supply