Colorized scanning electron micrograph of an open stoma on the surface of a leaf of lettuce (Lactuca sativa). A stoma is a small pore found on the underside of plant leaves and stems that allow for ga...

Scanning electron micrograph of the Drosophila compound eye. Close-up shows the multi-faceted cornea (pink) and the thin, hair-like structures called setae (green) which are believed to reduce glare.

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

Scanning electron micrograph of coralline algae. Coralline algae are characterized by a thallus that is hard because of calcareous deposits contained within the cell walls.

Chicken basilar papilla (cochlea) hair bundles imaged with field-emission scanning electron microscope.

Colorized scanning electron micrograph of pollen (green) from a Hibiscus rosa-sinensis grown in Ecuador, Provincia Pichincha.

Scanning electron microscope image of Penta lanceolata anther (pollen bearing part of stamen).

Scanning electron microscope image of Penta lanceolata anther (pollen bearing part of the stamen).

Scanning electron microscope image of Penta lanceolata anther, with unacetolyzed pollen on the surface.

Nucleated erythrocytes from chicken were spread on water, the dispersed chromatin picked up on carbon-formvar grids, fixed with paraformaldehye, critical point dried and shadowed with platinum. Image...