Definition that contains sylvia
- third ventricle a narrow ventricle in the midplane below the corpus callosum; communicates with the fourth ventricle via the Sylvian aqueduct
- deep middle cerebral vein accompanies the middle cerebral artery deep in the Sylvian fissure; empties into the basal vein
- superficial middle cerebral vein a large vein along the line of the Sylvian fissure to the cavernous sinus