Morquio syndrome
（重定向自Mucopolysaccharidosis IV）
Morquio syndrome (referred to as mucopolysaccharidosis IV, MPS IV, Morquio-Brailsford syndrome, or Morquio) is an autosomal recessive mucopolysaccharide storage disease (see also lysosomal storage disorder), usually inherited. It is a rare type of birth defect with serious consequences. In the US, the incidence rate for Morquio is estimated at between 1 in 200,000 and 1 in 300,000 live births.