A 7 - year - old boy whose outer skin layer was nearly gone due to a genetic disease has had it replaced, using his own genetically - modified stem cells, report researchers from Germany, Austria, and Italy in Nature. (geneticliteracyproject.org)
The dermal - epidermal junction (DEJ) is where the dermis (outer skin layer) connects to the epidermis (the tissue layers just beneath the skin). (sciencedaily.com)
Others absorb your nutrients through their outer skin layer. (altered-states.net)