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IPFS News Link • Science, Medicine and Technology
First Remarkable Mapping of Limb Development Shows Stages of Creating the Human Hand Masterpiece
• Good News NetworkHuman fingers and toes do not grow outward; instead, they form from within a larger foundational bud, as intervening cells recede to reveal the digits beneath.
After around seven weeks of cell development, an "orchestrated cell death" finally unveils the well-defined shapes of fingers or toes.
This is among many processes captured for the first time as scientists unveil a spatial cell atlas of the entire developing human limb.