Multiple Synostoses Syndrome, also known as symphalangism-brachydactyly syndrome, is related to synostosis and chromosome 2q35 duplication syndrome, and has symptoms including waddling gait An important gene associated with Multiple Synostoses Syndrome is NOG (Noggin), and among its related pathways/superpathways are Primary ovarian insufficiency and 10q11.21q11.23 copy number variation syndrome. Affiliated tissues include bone, and related phenotypes are joint stiffness and brachydactyly