tokens: Ehlers - Danlos Syndrome ( EDS ) is a family of multisystemic hereditary connective tissue disorders now comprised of 13 recognized subtypes , classical , classical - like , cardiac - valvular , vascular , hypermobile , arthrochlasia , dermosparaxis , kyphoscoliotic , brittle cornea syndrome , spondylodysplastic , musculocontractural , myopathic , and periodontal , as designated by the most recent 2017 International classification system .