What artists focus on human anatomy? ?

Question: What artists focus on human anatomy!? !?

e!.g!.
Hearts, disfigured/diseased people, dead body's!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Leonardo da Vinci
http://www!.scientificillustrator!.com/art!.!.!.

or ancient japanese
http://www!.pinktentacle!.com/2008/04/kaib!.!.!.Www@QuestionHome@Com

Medical artists or medical illustrators!. Or weirdo artists making sickening art!. Www@QuestionHome@Com