Sections through the skull showing cavities of the brain and cerebellum. Copperplate engraving by Robert Benard from Denis Diderot's Encyclopedia, Pellet, Geneva, 1779.

- Image ID: KCTP1J

Sections through the skull showing cavities of the brain and cerebellum. Copperplate engraving by Robert Benard from Denis Diderot's Encyclopedia, Pellet, Geneva, 1779.

Florilegius / Alamy Stock Photo

Image ID: KCTP1J