This is a scanning electron micrograph of a Hibiscus pollen grain.

Scanning electron micrograph of a diatom frustule. The frustule is the hard and porous cell wall or external layer of diatoms.

Scanning electron micrograph of Botrytis sp. (a mold) on the skin of a Pinot noir grape. Botrytis sp is grey-mold called nobel rot on wine grapes.

Transmission electron microscope image of T4Phage on the surface of Escherichia coli bacteria. T4Phage is a bacteriophage that infects E. coli bacteria.

Transmission electron microscope image of T4Phage, a bacteriophage that infects Escherichia coli bacteria. This image is part of an image group (CIL:41124-41131).

Scanning electron microscope image of Penta lanceolata stigma (receptive surface for pollen).

Murine adipocytes differentiated from 3T3-L1 cells showing intracellular trafficking of GFP-GLUT4 vesicles. GLUT 4 (Glucose Transporter Type 4) is a glucose transport protein that is responsible for ...

Zebrafish development from extension of head and tail rudiment during axiation, somitogenesis. Video made avaialable through Mark Cooper and Zebrafish - The Living Laboratory.

Scanning electron micrograph of rat colon mucosa goblet cells. Image made available by James D. Jamieson and the Department of Cell Biology, Yale University School of Medicine.

A confocal image of breast cancer cells in culture. The cell to the lower left is dying.