Human head and brain. Coloured sagittal magnetic resonance imaging (MRI) scan of the head and brain (orange) of a 35-year-old woman. Below several layers of tissues, the bone of the skull, and several membranes, the brain's cerebrum surrounds the midbrain structures (upper centre), with the cerebellum at centre right. The brainstem (centre) becomes the spinal cord in the neck. The tongue, nasal cavity, mouth, and other facial structures and organs are at left. This is a T2-weighted MRI scan.
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