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Technology Review: Blogs: TR Editors' blog: A 3D Video of the Embryonic Heartbeat

In the video below, showing a mouse embryo that’s 8.5 days past conception, a normal heartbeat is visible. The mouse heart begins to form at 7.5 days.

The video was made using an imaging technology called optical-coherence tomography. Though it looks grainy, this and other video of the developing heart made by the Houston group are some of the best ever taken. “These are the first images at high resolution of the beating [mammalian] heart,” says Kirill Larin, assistant professor of biomedical and mechanical engineering at the University of Houston. “You can see the blood vessels, the heart chambers.” The current resolution of the technique is six micrometers and Larin expects to get it down to two.



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