Scarless healing is considered as the most ideal mode of wound repair.This ability generally exists in the early period of mammalian embryos,however it gradually turns to scar healing with the development of the embryos.This phenomenon is the result of the interaction of multiple biological functions,and the mechanism is still uncertain.This article deals with a systematical review of literature concerning the mechanism of scarless healing based on the recent experimental studies,hoping to provide evidence for the treatment of wounds to realize scarless healing in adult.
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