BELLINI, LORENZO Italian physician and anatomist, was born at Florence on Sept. 3, 1643. At the age of 20, 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 structure et usu renum, 1662), he was chosen professor of theoretical medicine at Pisa, but soon after was transferred to the chair of anatomy. He died at Florence on Jan. 8, 1704.