Individual deep cells migrating by blebbing and lamellipodial activity in a fundulus heteroclitus (killifish) embryo. Video made available thru MarK Cooper and Zebrafish The Living Laboratory.

Zebrafish development from cleavage until tailbud formation. This video made available through Mark Cooper and Zebrafish - The Living Laboratory.

Leishmania mexicana promastigote forms (WHO strain MNYC/BZ/62/M379). Cells were grown in M199 culture medium and fixed with glutaraldehyde, dehydrated in ethanol, critical-point dried and sputter coat...

Cryo-fixed budding yeast (Saccharomyces cerevisiae) cell imaged using X-ray microscopy. Xray transmission varies with tissue, allowing subcellular compartments to be differentiated. The image shows a ...

Scanning electron micrograph of a hamster oocyte cumulus complex. Cumulus cells (purple) and matrix (gray) are shown. Small blood clots (red) also often appear in oocyte cumulus complexes. The red blo...

A colorized SEM image of a human proximal tubule, showing the tubular structure and projections extending over the tissue surface.

Scanning electron micrograph of passion flower pollen. A related image is CIL:39346.

Cryo-scanning electron micrograph of petal epidermal cells of Mazus.

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.