(active in the 15th century)

Petit Traite d'hygiène et Médecine

15th century
Manuscript (MS Lat. 11229)
Bibliothèque Nationale, Paris

The diagram on folio 19v of this 15th-century French medical treatise illustrates the colours of urine. Medieval doctors worked by observation, for example the examination of urine.

© Web Gallery of Art, created by Emil Krén and Daniel Marx.