NeuroAtlas › Modernized Anatomy › Brain and spinal cordVentral aspect of brain-stem including mammillary and optic portions of the hypothalamus. insulaFree account unlocks full-resolution zoom and pan. Sign up freeLog inAfter Morris's Human Anatomy; modernized for Neuro.Wiki‹ Dorsal aspect of medulla oblongata and mesencephalon, showing the floor of the fourth ventricle (rhomboid fossa)All platesDiagram of the inferior surface of the cerebellum after the removal of the medulla oblongata, pons, and mesencephalon ›