Regenerative Medicine Regeneration is not a new idea at all, lizards have been doing it for thousands of years! According to BioMedCentral.com, Aristotle observed a lizard regenerating its tail in 330 BC (Jessop). However, lizards are not the only animals capable of regenerating a lost or damaged appendage; Zebrafish can regrow a lost fin or even a heart, newts and other amphibians can regrow entire limbs, starfish can regrow their entire body from just a single limb, and a deer can…