Injecting An Egg Yolk With Ink Reveals The Embryo Hidden Inside

Injecting an Egg Yolk with Ink Reveals the Embryo Hidden Inside

Video: Here's a neat video showing ink being injected into the "yolk sac artery of 72 hour-old chick embryo to visualise the beating heart and the vasculature". It's from Nikon's Small World in Motion competition which is always a great source for videos that reveal the previously unseen. Watching the ink spread throughout the yolk in this video shows how it's all connected.

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