Image taken with Canon Powershot S3 on Nikon TS100 inverted microscope by the author using phase contrast microscopy.
<a href="https://en.wikipedia.org/wiki/User:SubtleGuest" class="extiw" title="en:User:SubtleGuest">SubtleGuest</a>
CC BY 2.5
slika uzeta sa engl. vikipedije <a class="external autonumber" href="https://en.wikipedia.org/wiki/Image:NIH_3T3.jpg">[1]</a>