Quote
"I picked up a book [The Illustrations from the Works of Andreas Vesalius of Brussels ed., Saunders & OMalley] on Vesalius... [H]e cut the heart... to see the different cavities... in the 1500s. ...[T]he cardiac structure is the first example since Leonardo da Vinci showing the thickness of the walls and the shape of the cavities."
G
Gerald Buckberg