Metaphyseal chondrodysplasia Schmid type is a type of chondrodysplasia associated with a deficiency of collagen, type X, alpha 1.

[2][3][4] 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.

[5] It is named for the German researcher F. Schmid, who characterized it in 1949.

[6] This genetic disorder article is a stub.