Eustachi, Bartolomeo (bärˌtōlōmĕˈō āˌōstäˈkē) [key], d. 1574, Italian anatomist. He lived in Rome from 1549 and taught at the Collegia della Sapienza (later the Univ. of Rome). He described many structures in the human body, including the Eustachian tube of the ear, the adrenal glands, the thoracic duct, the uterus, and the kidneys, and studied the structure and development of the teeth. His Tabulae anatomicae (1552), a remarkable set of anatomical drawings, was published in 1714.