epidermolysis bullosa simplex
noun
epidermolysis bullosa sim·plex
| \ -ˈsim-ˌpleks
\
\
Medical Definition of epidermolysis bullosa simplex
: any of several forms of epidermolysis bullosa that are marked by blister formation within the epidermis sometimes accompanied by thickening of the skin but usually no scarring and that are chiefly inherited as an autosomal dominant trait