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.

Leishmania mexicana amastigote forms (WHO strain MNYC/BZ/62/M379). Amastigotes were grown in axenic culture. The cells were fixed with glutaraldehyde, dehydrated in ethanol, critical-point dried and s...

Confocal image of a Xenopus laevis egg imaged at 119 min post fertilization. The embryos are stained for alpha-tubulin (green) and gamma-tubulin (red).

Confocal micrograph of astrocytes and oligodendrocytes from neural stem cells Astrocytes (green) and oligodendrocytes (red) derived from rat neural stem cells in culture. Both these cells are types of...