Nose and brain anatomy. Artwork of a sagittal section through the human head,showing the anatomy of the brain and nasal cavity. The three main brain structures are the folded area of the cerebrum (light brown),the cerebellum (lobed structure,dark brown) at the rear of the brain,and the brainstem (beige),at the base of brain. At centre are parts of the limbic system and structures joining the brain hemispheres. The olfactory nerve (orange) passes from the brain through the skull and around the nasal cavity (lower left). Also shown are skull bones,paranasal sinuses,neck bones,soft and hard palate,teeth,and the tongue |