Colorized scanning electron micrograph of a human embryonic stem cell (gold) growing on a layer of supporting cells (fibroblasts). Stem cells are derived from very early embryos and can either be grow...

Scanning electron micrograph of human colon cancer cells in culture. Colon cancer is the third most common cancer in Britain. People are more likely to develop this cancer if they eat a diet high in a...

Didinium captures Paramecium. After reeling in the prey with cyclosis tugging at the attached toxicysts the proboscis opens to engage the Paramecium. This micrograph was taken in 1968 by G. Antipa on ...

Transmission electron micrscope image of a thin section cut through an area of bone marrow area near the cartilage/bone interface in a mouse kneecap. Image shows small opening in the thin endotheliun ...

This scanning electron micrograph shows a single cell grown from a culture of lung epithelial carcinoma cells. The purple area shows blebs, which are irregular bulges in the plasma membrane of the cel...

A human sixteen-cell embryo, also called a morula (latin for mulberry). The embryo has gone through four cycles of cell division to get to this stage and the cells have undergone compaction whereby th...

Scanning electron microscope image of Vibrio cholerae bacteria, which infect the digestive system. This image is part of an image group that includes CIL:40395-40399.

This scanning electron micrograph of salmonella bacteria, was made possible by using low kV to visualize the surface detail of the bacteria. The image was taken with the VcD (backscatter detector), u...

Scanning electron micrograph of a seed from a Utricularia Aurea plant. Utricularia aurea, the golden bladderwort, is a medium- to large-sized suspended aquatic carnivorous plant.

Confocal image of sickle red blood cells. To learn more about how sickle cells can clog blood vessels, their flow is observed in a microfabricated device designed to mimic a capillary bed in vivo. The...