Véronique Imbeault is a very accomplished tattoo artist who is studying anatomy. I learned about her because she downloaded a copy of The Art Student's Guide to the Bones and Muscles of the Human Body. The images are two of her tattoos which are a lot of fun because of her use of a complete range of color, and of her life drawings.
Link to more of her tattoos.
The Art Student's Guide to the Bones and Muscles of the Human Body: and Lessons on Foreshortening