Keywords: HeLa-III.jpg en Multiphoton fluorescence image of HeLa cells with cytoskeletal microtubules magenta and DNA cyan Nikon RTS2000MP custom laser scanning microscope 2011-08-17 02 40 59 National Institutes of Health NIH National Institutes of Health NIH PD-USGov National Institutes of Health National Institutes of Health images Cell biology Uploaded with UploadWizard HeLa cells |