A type of polysomy with three copies of chromosome 13 instead of two. It is associated with severe physical and intellectual abnormalities such as microphthalmia, extra fingers and toes, abnormal brain or spinal cord, heart defects, cleft lip, and hypotonia. Infants with this condition rarely live beyond the first year of birth.

Also Known As

  • Patau Syndrome
  • Trisomy 13