A trifling paper cut is a site of frenzied activity. Within it, a squad of epidermal stem cells briskly regenerate to patch up the wound. A closer inspection of this war-torn swath of epidermis will reveal that while some of the stem cells are native to the area, others are newcomers—former hair-producing stem cells, that—upon sensing nearby injury—migrated from the hair follicle to the wound bed, where they transformed to resemble indigenous epidermal stem cells.
Click here for original story, Stem cell memories may drive wound repair, and also chronic disease
Source: Phys.org