LORENZO BELLINI (1643-1704), Italian physician and anatomist, was born at Florence on the 3rd of September 1643. At the age of twenty, when he had already begun his researches on the structure of the kidneys and had described the ducts known by his name ( Exercitatio anatomica de structura et usu renum, 1662), he was chosen professor of theoretical medicine at Pisa, but soon after was transferred to the chair of anatomy. After spending thirty years at Pisa, he was invited to Florence and appointed physician to the grand duke Cosimo III., and was also made senior consulting physician to Pope Clement XI. He died at Florence on the 8th of January 1704. His works. were published in a collected form at Venice in 1708.