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.

Individual deep cell moving by circus movements. Fundulus heteroclitus(killifish) embryo injected with GFP-actin plasmid at 1-cell stage, filmed during gastrulation. Image made available through Zebra...

Individual deep cell moving by circus movements. Fundulus heteroclitus(killifish) embryo. Images made available through Mark Cooper and Zebrafish The Living Laboratory.

Xenopus gastrulation. Video made available through Mark Cooper and Zebrafish - The Living Laboratory.

The low magnification overview of Zebrafish development covering cleavage through segmentation stages. Reproduced with permission from Karlstrom RO, Kane DA A flipbook of zebrafish embryogenesis. Deve...

Zebrafish development from early cell division to axiation and onset of muscular contractions. Video made avaialable through Mark Cooper and Zebrafish - The Living Laboratory.

Yolk syncytial layer cell nuclei exhibit convergence and extension behaviors during late gastrulation. Video made available by Mark Cooper through 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.