Terms Related to Williams Syndrome

• Supravalvular Aortic Stenosis

  A narrowing of the aorta in the region above the aortic valve.

• Aortic Stenosis

  Constriction in the opening of the aortic valve or of the supravalvular or subvalvular regions.

• Facies

  The appearance of the face that is often characteristic of a disease or pathological condition, as the elfin facies of Williams syndrome or the mongoloid ...

• Subvalvular Aortic Stenosis

  A narrowing of the aorta in the region below the aortic valve.

• Hypoplastic Left Heart Syndrome

  A condition characterized by underdevelopment of the left cardiac chambers, atresia or stenosis of the aorta or mitral valve or both, and hypoplasia of the ...

• Pelizaeus Merzbacher Disease

  A rare, slowly progressive disorder of myelin formation. Subtypes are referred to as classic, congenital, transitional, and adult forms of this disease. The classic form ...

• Male Turners Syndrome

  A multifaceted disorder that is characterized by short stature, webbed neck, ptosis, skeletal malformations, hypertelorism, hormonal imbalance, CRYPTORCHIDISM, multiple cardiac abnormalities (most commonly including PULMONARY ...