Monarch Disease Ontology term MONDO_0017314 (Ehlers-Danlos syndrome, vascular type) is ehlers-Danlos syndrome type IV, also known as the vascular type of Ehlers-Danlos syndrome (EDS), is an inherited connective tissue disorder defined by characteristic facial features (acrogeria) in most patients, translucent skin with highly visible subcutaneous vessels on the trunk and lower back, easy bruising, and severe arterial, digestive and uterine complications, which are rarely, if at all, observed in the other forms of EDS. Also known as: EDS IV, EDS type 4, Ehlers-Danlos syndrome type 4, Ehlers-Danlos syndrome type IV, Ehlers-Danlos syndrome, type IV, sack-Barabas syndrome.