title: Mucinous degeneration of the cardiac valves: the "floppy valve" syndrome.
mesh_terms: D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000473:pathology* / Q000601:surgery; D006025:Glycosaminoglycans / Q000032:analysis; D006349:Heart Valve Diseases / Q000473:pathology* / Q000601:surgery; D006350:Heart Valve Prosthesis; D006651:Histocytochemistry; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000150:complications / Q000175:diagnosis; D008875:Middle Aged; D008943:Mitral Valve / Q000473:pathology* / Q000601:surgery
chemical_list: D006025:Glycosaminoglycans