[Lorenzo Bellini (16431704) and his discovery of the renal tubules].

In the article the biography of famous Italian doctor and anatomist Lorenzo Bellini who in his student years described a tubule system in the kidneys is reviewed. An authors translation of fragments of his work "Exercitatio anatomica de structura et usu renum" with the description of the discovery as well as the works of Marcello Malpighi "Opera posthuma", which stated the priority of this discovery to Bellini and not to Bartolomeo Eustachi, is provided. The evaluation of the medical and scientific activities of Bellini by his contemporaries is given.