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Nikas’ Five-Day-Old Embryo Photo | JPowers.IN3.ORG
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Nikas’ Five-Day-Old Embryo Photo

Needle1Ngstemcells1In this remarkable electron microscope image by Dr. Yorgos Nikas published recently in the National Geographic, a five-day-old embryo nestles inside a large gray cavity. Discussions about the use of embryonic stem cells focus on the status of the fertilized egg, but Nikas’ photo lets us see just what we’re talking about. Click on the image at left to see the full picture.