High magnification scanning EM of the extracellular matrix in the ventrolateral mesoderm of a 24 hr (prim-5) Zebrafish embryo. Specimens were chemically fixed critically point dried, and sputter coate...

A contraction wave circulating across a stage 18 medaka embryo over a 2.5-min interval (30 sec between each image). The embryo is ensheathed by a chorion which possesses numerous filamentous villi. Th...

Rhodamine-phalloidin (actin stain) in the trunk of a 24 hr zebrafish embryo. Images made available by Mark Cooper thru The Zebrafish A Living Laboratory.

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

Yolk syncytial layer nuclei undergo epiboly and converge dorsally during late gastrulation. Video made available by Mark Cooper through Zebrafish - The Living Laboratory.

Leukocyte chemotaxis from caudal vein to tailfin wound site. Video made available by Mark Cooper thru The Zebrafish A Living Laboratory.

Rolling of leukocytes on the walls of the caudal vein in a larval zebrafish; real time. As in adult mammals, such rolling occurs only in veins, not in arteries. Video made available by Mark Cooper th...

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.