However, it was until 2007 that Tekin et al. (2007) discovered homozygous mutations in the fibroblast growth factor 3 (FGF3) gene could lead to labyrinthine aplasia, microtia, and microdontia (LAMM) syndrome (labyrinthine aplasia, microtia, and microdontia—OMIM 610706). Here, FGF3 is linked to microtia.