Image Library from Russell Kightley Media - Scientific Medical Biological stock images. Microbes, viruses, animal and plant cells. Digital illustrations available for license.European Late Effects Project (EULEP) - The main aims of the EULEP is to produce an image database (Pathbase) of the effects of mutation in transgenic and knockout mice which affect aspects of proliferation control or the response to mutagenic damage.
Heuser Lab EM Image Gallery - Classic EM images from the lab of John Heuser (Washington University).
Molecular Probes Gallery - Very pretty image gallery demonstrating results using fluorescent probes - from Molecular Probes, Inc.
Herpesvirus Web - Large collection of microscopic images of herpesvirus infected cells, including electron microscopy and fluorescence microscopy.
Imaging Technology Group Gallery - Images and brief descriptions of cellular structures and stages of mitosis produced by ITG users and staff - from Univ. of Illinois at Urbana-Champaign.