One of the first physicians to accurately record and illustrate human anatomy based on his findings from autopsies and dissections, which led to improved understanding of the human body and enhanced surgery techniques.
Because of that, he is now considered as the Father of ModernAnatomy.
He studied the embryo of a chick wherein he discovered the aorticarches, neuralfolds and somites with the help of Harvey's discovery. His findings became a strong argument that an embryo is pre-formed in the egg after fertilization
Discovered the cell, which is the basic unit of life. This made a huge contribution in microbiology when he published a book entitled "Micrographia" that includes sketches of different natural things under the microscope.
He was a physician who first recognized the full circulation of blood in a human body, and the nature of the heartbeat by providing sound experiments and arguments