"Diagnostic culture of Staphylococcus epidermidis, a major component of the human skin flora. The bacteria are growing on a Petri dish, forming almost transparent colonies with a rich mucus layer."
Price: 10
"Citizens. All elements and textures are individual objects. Vector illustration scale to any size. Transparent PNG version included. [url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=8354403]