![Portrait of Leonardo da Vinci attributed to Francesco Melzi](https://cmsadmin.rct.uk/sites/default/files/lead_image_half_height/RC1894_Leonardo%201600%20x%20625_Yellow.jpg)
LEONARDO DA VINCI (VINCI 1452-AMBOISE 1519)
The right ventricle and tricuspid valve
c.1512-13RCIN 919078
Verso: A number of stylized drawings of the valves & ventricles of the heart, with many notes which Leonardo has headed " The geography of the heart"