"De dissectione" is a work attributed to the ancient Greek physician and philosopher Galen. It focuses on the practice of anatomical dissection, emphasizing the importance of understanding the structure of the body for medical knowledge. Galen's observations and techniques laid the groundwork for future studies in anatomy and physiology. In this text, Galen describes various methods of dissection and the significance of observing live animals to gain insights into human anatomy. His work contributed to the development of medical education and the practice of dissection, influencing both Renaissance anatomists and modern medicine.