Since it is prohibited by the Church to perform anatomies on the human body, and since it is impossible to know the medical art completely, unless one has knowledge of anatomy... I shall demonstrate patently and openly the anatomy of the human body, through properly executed illustrations.

Quoted in E.L. Wickersheimer, "Anatomie" de Guido de Vigevano, Médecin de la Reine Jeanne de - Bourgogne