Ehlers-Danlos Syndrome, Periodontal Type, 1, also known as ehlers-danlos syndrome, type viii, is related to periodontal ehlers-danlos syndrome and ehlers-danlos syndrome, and has symptoms including hoarseness An important gene associated with Ehlers-Danlos Syndrome, Periodontal Type, 1 is C1R (Complement C1r), and among its related pathways/superpathways are Complement cascade and Diseases of hemostasis. Affiliated tissues include skin and bone, and related phenotypes are arachnodactyly and tall stature