onychodystrophy英美n. 指甲营养不良医学双语例句Proband also had special clinical feature including follicular hyperkeratosis on the elbows and knees, and onychodystrophy of20 nails as well.先证者双肘膝关节毛囊角化性丘疹,足趾及跖部灶性胼胝样角化过度,20甲营养不良。