_:vb50940229 . _:vb50940229 . _:vb50940229 "An osteochondrodysplasia that is characterized by abnormally broad ends of the arm and leg long bones resembling a boat oar or paddle due to enlargement of the spongy inner layer of bone."^^ . _:vb50940229 . _:vb50940229 . _:vb50940229 "url:http://en.wikipedia.org/wiki/Metaphyseal_dysplasia"^^ . _:vb50940229 .