Mondo Description An autosomal recessive lysosomal storage disease caused by mutation(s) in the HYAL1 gene, encoding hyaluronidase-1. It is characterized by short stature and hyaluronidase deficiency.

Uniprot Description A lysosomal storage disease characterized by high hyaluronan concentration in the serum. The clinical features are periarticular soft tissue masses, mild short stature and acetabular erosions, and absence of neurological or visceral involvement.