Epidermolysis Bullosa, Junctional 3a, Intermediate, is also known as epidermolysis bullosa, junctional 3a, generalized intermediate. An important gene associated with Epidermolysis Bullosa, Junctional 3a, Intermediate is LAMC2 (Laminin Subunit Gamma 2). Affiliated tissues include skin, and related phenotypes are abnormal blistering of the skin and hypoplastic dermoepidermal hemidesmosomes