SMAD 1 the abbreviation refers to the homologies to the Caenorhabditis elegans SMA ("small" worm phenotype) and Drosophila MAD ("Mothers Against Decapentaplegic") SM-AHN systemic mastocytosis with associated hematologic neoplasm SMARCAL1 switch/sucrose nonfermentable (SWI/SNF)-related matrix-associated...