13 Creepy Real Experiments That Sound Like Science Fiction

Pig bladders regrowing human limbs

Scientists have discovered that tissue from pig bladders can be dried into a powder called extracellular matrix and used to regrow human fingers. While typical mammals heal injuries by growing scar tissue, which prevents any future cell regrowth, the cells in the lining of pig’s bladder contain a protein that stimulates a total regrowth of tissue, similar to how lizards can regrow their tails. So far the treatment has been used to reattach severed fingers, develop new fingertips, and even help regenerate the destroyed muscles of an injured Iraq War veteran. Check out the most incredible medical breakthroughs of 2017.

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