williams syndrome   (TTS Sound)

The williams_syndrome has 1 Senses.

• williams syndrome
• a rare congenital disorder associated with deletion of genetic material in chromosome 7; characterized by mental deficiency and some growth deficiency and elfin faces but an overly social personality and a remarkable gift for vocabulary
• 染色体7での遺伝物質の消失に関連しているまれな先天性疾患