Which anatomist's work advanced studies of human anatomy during the Renaissance?

• A. Galen
• B. Andreas Vesalius
• C. William Harvey
• D. Paracelsus

Answer: (B)

Direct, hands-on observation transformed anatomy in the Renaissance, and Andreas Vesalius embodies this shift. He conducted extensive human dissections and produced a highly detailed, illustrated anatomy text that documented the true structure of the human body. By verifying anatomy against actual human bodies, he corrected many errors from Galen, whose knowledge relied heavily on animal dissections and long-standing authority rather than personal observation. This empirical, image-rich approach laid the foundation for modern anatomy and marked a decisive move away from reliance on ancient texts. The other figures contributed in important ways—Galen as the old authority, Harvey later clarifying blood circulation, and Paracelsus influencing medical theory—but Vesalius is the one who most advanced studies of human anatomy through direct, careful study.