This model consists of the skull and 7 cervical vertebrae, along with the cervical spinal artery, as well as a base. It depicts the posterior brain, the spinal cord, the cervical nerves, the spinal artery, the basilar artery, and the posterior cerebral artery. There are 8 sections of cerebral artery models, which can be divided into the frontal lobe, parietal lobe, temporal lobe, occipital lobe, brainstem, and cerebellum.