Lama2-Related Muscular Dystrophy, also known as muscular dystrophy congenital, merosin negative, is related to muscular dystrophy, congenital merosin-deficient, 1a and muscular dystrophy, limb-girdle, autosomal recessive 23. An important gene associated with Lama2-Related Muscular Dystrophy is LAMA2 (Laminin Subunit Alpha 2). Affiliated tissues include tongue and lung.