1628
Publication in Frankfurt of Harvey’s Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus (typically, De Motu Cordis), the first accurate description of the human circulatory system as a “circle” (Chauvois, 111; Rutkow, 83-85). Only 72pp. long, it made bloodletting “even more popular” (Rutkow, 86).