Movie showing human stem cell colony migration.

Colorized scanning electron micrograph showing two lung cancer cells. These cells were grown using cell culture techniques.

Colorized scanning electron micrograph of a lung cancer cell grown in culture.

A colorized scanning electron micrograph of pancreatic cancer cells grown in culture. See additional image at CIL: 39104.

Fluorescent micrograph of a Xenopus melanophore, showing microtubules (green), microtubule plus ends (red) and nucleus (blue). Honorable Mention, 2011 Olympus BioScapes Digital Imaging Competition®...

Differentiated human induced pluripotent stem cells (iPSCs) following differentiation protocol. Cell nuclei were stained with DAPI (blue), nestin (red) and beta3-tubulin/Tuj1 (green). Note the fate de...

Fluorescent micrograph of A549 cells (adenocarcinomic human alveolar basal epithelial cells) showing the nucleus (blue) and mRNAs of TFRC (transferrin receptor) identified by fluorescently labeled oli...

Patient-derived glioma stem cells treated with a PLK1 (serine/threonine-protein kinase) inhibitor and stained for nuclei (blue), alpha-tubulin (green), phospho-histone H3 (red).

Fluorescence micrograph of a neuron regenerating in culture. Honorable Mention, 2006 Olympus BioScapes Digital Imaging Competition.

Confocal micrograph of a stimulated mast cell that has just exploded releasing numerous histamine granules. The remains of the cell are seen towards the lower left, still containing a number of granul...