Observatoire des droits humains (anglais seulement)

Kidneys, ribs and even testicles: the extra body parts you might not know you have

(Version anglaise seulement)

par Adam Taylor, Professor and Director of the Clinical Anatomy Learning Centre, Lancaster University

Thanks to millions of years of evolution, the human body has become well versed in its developmental processes. Most of the time, it gives us the correct number of organs and structures that we need to function. But sometimes, hiccups in this process mean people end up with extras.

Accessory teeth, fingers, toes and nipples are actually surprisingly common.

Up to 1% of the population are born with extra fingers or toes, while around 1%…

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