If you like this, there is a whole flickr set called Street Anatomy dedicated to anatomical tattoos.
Female reproductive system tattoo. Baby fetus tattoo. Hand tattoo. Heart cancer tattoo designed by Leah Neuhauser. This tattoo represents a nice chunk of skin removed to reveal the anatomy below. Skeletal back tattoo. Kidney tattoo. Arm muscles tattoo. Vein tattoo. Brain tattoo. Wrist anatomy tattoo illustrated by medical illustrator, Karen Bucher. Chest muscle tattoo. X-ray fetus tattoo. Anatomical Tattoos Lungs Tattoos Opening Your Heart Tattoos