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Scanning electron micrograph of a four-day-old zebrafish embryo.
To capture this image, the zebrafish was physically attached to a stub
(specimen holder) by its tail and tilted to 65 degrees. As zebrafish
embryos are approximately 1cm in length, making the whole
embryo too big to be captured in a single image, three separate
images had to be taken along its length and then stitched
together digitally. Color was then added to the black-and-white image.
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