A higher magnification sagittal section of the human brain shows a better view of many of the following:  cerebellum | arbor vitae |  4th ventricle | cerebral aqueduct | the third ventricle shows up as a cavity surrounding the intermediate mass of the thalamus | The interventricular foramen connects the third ventricle with the lateral ventricle | Note the large bulbous pons | The superior colliculi and the infereior colliculi of the corpora quadrigemina lie above and below the arrow point respectively |  pineal body | The dark area at the tip of the arrow, located in the midbrain is the substantia nigra. |  corpus callossum |  fornix | septum pellucidum  | hypothalamus |  falx cerebri |