has part has part characteristic of inheres in has modifier Abnormal fingernail morphology Dystrophic fingernails UMLS:C3551426 HP:0008391 Poor fingernail formation The presence of misshapen or partially destroyed nail plates, often with accumulation of soft, yellow keratin between the dystrophic nail plate and nail bed, resulting in elevation of the nail plate. Nail dystrophy abnormal dystrophic nail of manual digit