size, number, location, form, substance as in thin or thick, substance as in fleshy or bony, and complexion. In this work, Achillinus also gives directions as how to proceed with certain dissections and procedures such as castration, extraction of stone, and removal of the rib cage to further examine the heart and lungs. He was also distinguished as an anatomist, among his writings being De humani corporis anatomia (Venice, 1516–1524), and Annotationes anatomicae (Bologna, 1520). Achillini's Annotationes Anatomicae was first published by his brother, Giovanni Filoteo, on 24 September 1520. It was published in a small format of eighteen folios with a pair of poems of six and two lines each. References Further reading 1463 births 1512 deaths 15th-century Italian physicians 15th-century philosophers 16th-century Italian physicians 16th-century Latin-language writers 16th-century philosophers Physicians from Bologna Italian philosophers Academic staff of the University of Bologna 15th-century Italian philosophers