SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Human skull. Coloured X-ray of a healthy human skull and neck, seen in side view. The rounded cranium of the skull (at top) encloses the brain. The facial region is at left, and includes the jawbone with teeth (centre left, blue) highlighted by dental fillings. The skull is supported by seven cervical vertebrae of the neck which enclose the spinal cord.
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