The Skull and the Brain (IMAGE)

European Synchrotron Radiation Facility

The Skull and the Brain

Caption

The structure of the skull (foreground) of a 300-million-year-old iniopterygian fish from Kansas remotely related to living ratfish is elucidated thanks to holotomography, a technique based on synchrotron X-ray phase contrast imaging (background), and yields the first hint at an exceptional mineralization of the brain (orange).

Credit

PNAS/Philippe Janvier (CNRS, Museum National d'Histoire Naturelle)

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