Definitions for "Williams Syndrome"
A genetic syndrome which causes small size, mild microcephaly, a typical facial appearance, heart anomolies, and mild mental retardation. For more information, please follow this link to the Williams Syndrome Foundation.
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
a genetic disorder of chromosome 7 characterized by distinctive facial features, growth and developmental delays, varying degrees of learning disabilities, cardiac defects and sometimes hypercalcemia in infancy