K H FUNG / SCIENCE PHOTO LIBRARY K H FUNG / SCIENCE PHOTO LIBRARY
Base of the skull. Coloured 3D computed tomography (CT) scan of the base of a human skull, seen from below. The front of the skull is at top. Visible structures include the teeth, the zygomatic arches (upper left and upper right), and the holes (foramina) at the base of the skull, including the foramen magnum (lower centre) through which the brain's medulla oblongata passes, giving rise to the spinal cord. For this image with additional tissues and structures shown, see image C037/4660.
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