Liver of a rat exposed to chemical carcinogens. Serial sections of the liver imaged by laser scanning confocal microscopy. F-actin (red) is in bile canaliculi at junctions of the hepatocytes, which ...

Adult mouse hippocampus, a region of the brain involved in learning and memory, showing reactive astroglia (pale yellow) that have proliferated and enlarged in response to neuronal activity over time....

Human embryonic stem cell colony. This phase contrast image shows a human embryonic stem cell colony growing on Matrigel, a substrate that supports attachment of hESC. The Matrigel forms a thin coatin...

Human embryonic stem cell colonies. This phase contrast image shows two human embryonic stem cell colonies growing on a feeder layer of mouse embryonic fibroblasts. The stem cells actually grow in bet...

Figure 302 from Chapter 12 (Centrioles) by Don Fawcett. The centrioles replicate early in cell division and take up positions at either pole of the division figure. Concurrently with the condensation ...

boi controls follicle stem cell proliferation. Germaria from wild-type in which germ cells (blue, anti-Vasa) and differentiating follicle cells (red, anti-Fas3) are labeled. Stalks between the germari...

Boi (red) localizes predominantly to apical cells in Drosophila wild-type germaria but not in germaria with UAS-boi[RNAi] expression (CIL#13742). Germ cells are identified using anti-Vasa (blue). Imag...

Boi (green) localizes predominantly to apical cells in Drosophila wild-type germaria but not in boi[e] mutant germaria (CIL#13740). Germ cells are identified using anti-Vasa (blue). Image is Fig 2B in...

Boi (green) no longer localizes predominantly to apical cells in Drosophila boi[e] mutant germaria (compare with CIL# 13739). Germ cells are identified using anti-Vasa (blue). Image is Fig 2C in J Cel...

Boi (red) localizes predominantly to apical cells in Drosophila wild-type germaria (CIL# 13741) but not in germaria with UAS-boi[RNAi] expression in apical cells (cells expressing UAS-boi[RNAi] also e...