How many of Galen's mistakes did Vesalius correct?

Andreas Vesalius corrected numerous mistakes in Galen's anatomical theories, notably around 200 inaccuracies in human anatomy. Galen based his work primarily on animal dissections, which led to misconceptions about human anatomy. Vesalius emphasized direct observation and dissection of human bodies, revealing critical errors in Galen's descriptions of organs and structures. His work laid the foundation for modern anatomy and significantly advanced the understanding of human physiology.