The brain, viewed with the skull removed (below); parts of the brain including the dura mater and the falx (four figures above). Line engraving by A. Bell after G. Bidloo, 1798.

Licence: Public Domain Mark

Credit: The brain, viewed with the skull removed (below); parts of the brain including the dura mater and the falx (four figures above). Line engraving by A. Bell after G. Bidloo, 1798. Wellcome Collection. Source: Wellcome Collection.