From One Cell review: Embryology and the future of medicine

August 17, 2023 admin Comment(0)

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Illustration of a human embryo at the blastocyst stage approximately 5 to 9 days after fertilisation. The outer trophoblast layer (green) will implant into the wall of the uterus (endometrium) and go on to form the placenta. The inner fluid-filled cavity of the blastocyst is called the blastocoele. The inner cell mass (embryoblast, orange) will form the embryo. — Illustration of a blastocyst, an early stage of an embryo

JUAN GAERTNER/SCIENCE PHOTO LIBRARY

From One Cell
Ben Stanger (W. W. Norton)

“WHERE do babies come from?” isn’t just a question some parents dread hearing from their children, but also one that has perplexed philosophers since the time of Ancient Greece. For anyone today, armed with the grasp of basic biology that was lacking in our forebears, it is hard to imagine how they could have even framed the problem. Once you know something, it is hard to unknow it.

To get around that conceptual …

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