Click image to zoom
Royal Collection © Her Majesty Queen Elizabeth II
Recto: The heart compared to a seed. Verso: The vessels of liver, spleen and kidneys
Recto: a drawing showing the main arteries and veins of the thorax, probably bovine; the heart and its blood vessels; a drawing of a plant sprouting from a seed which resembles a heart; notes on the drawings. Verso: two diagrams showing the portal and coeliac veins; the blood vessels of the liver, spleen and kidneys; the tortuous blood vessels of old age; notes on the blood vessels of the stomach and the causes of death in old men.