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Salamanders and zebrafish reveal secrets of limb regrowth

Original: 🦎 NEW: # Salamanders and # zebrafish regrow lost limbs and fins by reactivating a cellular program after injury, forming

Scientists are highlighting how salamanders and zebrafish regrow lost limbs and fins by reactivating a cellular program after injury. The process forms a blastema, a mass of cells that multiply and rebuild bone, nerve, muscle and blood vessels in the correct shape and size, with nerves playing a key driving role in orchestrating the regeneration.

Why now: Fresh research or science communication on natural regeneration is capturing attention for its potential implications for human medicine.

salamanderszebrafishblastema

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• 🦎 NEW: # Salamanders and # zebrafish regrow lost limbs and fins by reactivating a cellular program after injury, forming a blastema of cells that multiply and rebuild bone, nerve, muscle and blood vessels in the right shape and size. # Nerves drive the process, and # evolution… · tksst@fediscience.org · 9

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