This model facilitates the medical students to get a correct understanding of the external features of the brain and its arterial supply as a whole, as well as the relations between their component portions. External features of the brain: cerebral hemisphere,brain stem, cerebellum.The arterial supply of the brain: sources, vertebral,internal carotid arteries, arteria supply of the cerebellum and cerebrum.Made of PVC and can be separated into 8 parts. On base.