<unk>  is a type of<unk>  associated with a deficiency of collagen, type X, alpha 1. Unlike other "rickets syndromes", affected individuals have normal serum calcium, phosphorus, and urinary amino acid levels. Long bones are short and curved, with widened growth plates and metaphyses. It is named for the German researcher F.<unk> , who characterized it in 1949.
Metaphyseal chondrodysplasia Schmid type
Achondrogenesis type 1B
Achondrogenesis type 2
Spondyloepimetaphyseal dysplasia, Strudwick type
Chondrodysplasia, Grebe type
Jansen's metaphyseal chondrodysplasia
Otospondylomegaepiphyseal dysplasia
Spondyloepimetaphyseal dysplasia, Pakistani type