the autosomal dominant hereditary syndrome of symphalangism and stapes fixation consists of multiple synostoses , most frequently symphalangism , in addition to synostoses of carpal and tarsal bones and radio-ulnar synostoses , various other malformations of the limbs ( restricted joint movement or syndactylism ) and variable degrees of conduction disorders due to stapes fixation , starting in childhood .
C0206762
malformations of the limbs
C0039075
syndactylism