WAlport syndrome
WBethlem myopathy
WEhlers–Danlos syndromes
WFuchs' dystrophy
WInterferon-induced transmembrane protein 5
WMarfan syndromeWMarshall syndromeWMetaphyseal chondrodysplasia Schmid type
WMultiple epiphyseal dysplasia
WOsteogenesis imperfecta
WOtospondylomegaepiphyseal dysplasiaWSack–Barabas syndrome
WScurvy
WSpondyloepiphyseal dysplasia congenitaWStickler syndrome
WUllrich congenital muscular dystrophyWWeissenbacher–Zweymüller syndrome