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Image of the Day: Embryo in Blue
Image of the Day: Embryo in Blue

Image of the Day: Embryo in Blue

A bright blue stain highlights the sensory nerves of a developing mouse embryo.

Carolyn Wilke

ABOVE: Stained mouse embryo
NATHAN BURNS, MUKOYAMA LAB AT NIH

Researchers stained the cells of a mouse embryo that had its tissue cleared so they could watch its nervous system and blood vessels develop in tandem. This 13.5-day-old embryo, viewed under a confocal microscope, is colored by a darker blue endothelial cell marker and a brighter blue marker highlighting the sensory nerves.

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