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Articles on Embryology

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A human blastocyst. Researchers have now created ‘model’ versions of this early embryonic structure by reprogramming human skin cells. Harimiao/Wikimedia Commons

Researchers have grown ‘human embryos’ from skin cells. What does that mean, and is it ethical?

Two research groups have turned human skin cells into structures resembling an early-stage human embryo, paving the way for exciting new research avenues, and opening up some tricky ethical questions.
Men have nipples because of a quirk in how embryos develop. But that’s only part of the story of this seemingly redundant body part. from www.shutterstock.com

Why do men have nipples?

How embryos develop, evolution and sexual pleasure all help explain why men have nipples. But ‘man boobs’ are a different story.
Faces form during the very early stages of embryology. from www.shutterstock.com

Why your face looks the way it does

Problems in facial development can occur with the skull, face, blood vessels, muscles, jaws and teeth. But it’s the hard palate forming the roof of your mouth that’s most commonly affected.
Society has long treated people with extra limbs as anatomical oddities. But having an extra body part or organ is surprisingly common and many people don’t know they have them. Ddicksson/Wikimedia Commons

An extra organ or body part is more common than you think

Most people don’t know if they have a hidden extra organ. But they’re surprisingly common and often harmless.
Eskymaks/Shutterstock

Can the menopause really be reversed?

Researchers at a fertility clinic in Athens appear to have reversed the menopause in a small group of women – but will the science stand up to scrutiny?

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