mitral valve , coronary arteries , cartilage , and liver were studied by light and electron microscopy in a 15 year old boy with morquio 's syndrome , a genetic mucopolysaccharidosis , in which a deficiency of lysosomal hexosamine sulfatase is associated with accumulations of keratan sulfate in various organs .
C0026707
morquio 's syndrome
C0026703
mucopolysaccharidosis