Epidermolysis Bullosa, Junctional 2a, Intermediate, is also known as epidermolysis bullosa, junctional 2a, generalized intermediate. An important gene associated with Epidermolysis Bullosa, Junctional 2a, Intermediate is LAMA3 (Laminin Subunit Alpha 3). Affiliated tissues include skin, and related phenotypes are abnormal blistering of the skin and oral mucosal blisters