22. Diagram showing the two Lateral Ventricles and the ‘Central’
Ventricle, (from Johannes Adelphus, _Mundini de omnibus
humani corporis interioribus menbris Anathomia_, 1513) 128
23. The Heart (from Hans von Gersdorff, _Feldt- und Stattbüch
bewerter Wundartznei_, 1556) 129