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.

This cross section shows a human fetal testis. Numerous seminiferous tubules appear within a lobe of the testis. It has not been treated with an antibody but is autofluorescent and therefore appears b...

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...

Reproductive tissue of olive (Olea europaea) pistil during the progamic phase.

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

Fluorescent micrograph of epithelial cells from the bladder wall. The cells were isolated immediately after collection of a urine specimen and are not fixed. The image was taken using a standard epi...

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