The diaphragm (fig. 1) after Haller, the pharynx, seen from the back and the larynx seen from the front (figs 2-3), after Duverney, and the larynx seen from the back and open and from the side (figs 4-5), after Eustachius. Engraving by Benard, late 18th century.

Licence: Public Domain Mark

Credit: The diaphragm (fig. 1) after Haller, the pharynx, seen from the back and the larynx seen from the front (figs 2-3), after Duverney, and the larynx seen from the back and open and from the side (figs 4-5), after Eustachius. Engraving by Benard, late 18th century. Wellcome Collection. Source: Wellcome Collection.