SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Bloodletting sites. Bloodletting, or phlebotomy, was thought to cure illnesses believed to be caused by imbalances in bodily fluids. The diagram, known as a vein man, is from Johannes de Ketham's Fasciculus Medicinae (Venice, 1491).
Model release not required. Property release not required.