Muscular Dystrophy, Congenital Merosin-Deficient, 1a, also known as mdc1a, is related to lama2-related muscular dystrophy and muscular dystrophy, congenital, lmna-related. An important gene associated with Muscular Dystrophy, Congenital Merosin-Deficient, 1a is LAMA2 (Laminin Subunit Alpha 2), and among its related pathways/superpathways are Extracellular matrix organization and Diseases of glycosylation. Affiliated tissues include brain and skeletal muscle, and related phenotypes are intellectual disability and ophthalmoplegia