While many scientists and physicians have contributed to the study of human anatomy, the scientist most often credited for detailed and accurate anatomical studies is Andreas Vesalius.

Here's why:

* He challenged the established authority: Vesalius broke from the traditional reliance on Galen's anatomical theories, which were based on animal dissection and often inaccurate.

* He performed human dissections: Vesalius conducted extensive human dissections himself, meticulously observing and documenting the human body. This provided firsthand, accurate data.

* He published groundbreaking works: His most famous work, "De Humani Corporis Fabrica" (On the Fabric of the Human Body), published in 1543, was a landmark in anatomical studies. It included detailed illustrations and descriptions of the human body, revolutionizing the understanding of human anatomy.

While Vesalius wasn't the first to study human anatomy, his work significantly advanced the field, establishing him as a foundational figure in the history of anatomy.