Early ascidian (sea squirt) embryos visualized by differential interface contrast (DIC) microscopy. Ascidians are used as a model for developmental research. Their simple embryonic development is rapi...

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.

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.

Differential interference contrast image of a rotifer (Floscularia ringens) feeding. Its rapidly beating cilia (hair-like structures) bring water that contains food to the rotifer. When their cilia be...

Brightfield image of stink bug eggs. Stink bugs are agricultural pests that exist throughout the world and emit a characteristic foul-smelling odor when disturbed. Eggs are laid in clusters (averagi...

Brighfield and polarized light of Spirogyra (a filamentous green algae). Spirogyra is unbranched with cellular cells connected end to end in long green filaments. Sixth Prize, 2010 Olympus BioScapes...

Phase contrast image of serum arrested mouse L-1210 cells engaged in spontaneous apoptosis (programmed cell death) after nutrient depletion and acid hydrolysis. The image was taken at 40X, scanned, an...

Scanning electron micrograph of a 6 day old human embryo beginning to implant into the lining of the uterus (endometrium). As implantation progresses, the inner cell mass begins to form into the bila...

Colorized scanning electron micrograph of keratinised squamous epithelial lining of the upper vagina. The boundaries between adjacent cells are visible as raised ridges. The cells closest to the surfa...

Colorized scanning electron micrograph of pollen on the anther of a hedge mustard (Sisymbrium officinale) flower. This plant is reputed to have various medicinal properties including its ability to tr...