What was the major contribution of 16th-century flemish doctor andreas vesalius?

The major contribution of 16th century Flemish doctor Andreas Vesalius was actually dissecting bodies for removing the misconceptions about anatomy. He originally dissected the bodies for his research related works. Although it was against the religious beliefs of that time, still it did not stop him from doing so.

They're not coming to take over our home land they're just looking for new opportunities that their homeland did not provide