Mondo Description Epidermolysis bullosa simplex, Ogna type (EBS-O) is a basal subtype of epidermolysis bullosa simplex (EBS) characterized by sometimes widespread, primarily acral blistering.

Uniprot Description A form of intraepidermal epidermolysis bullosa characterized by generalized skin bruising, skin fragility with non-scarring blistering and small hemorrhagic blisters on hands. At the ultrastructural level, it is differentiated from classical cases of K-EBS, WC-EBS and DM-EBS, by the occurrence of blisters originating in basal cells above hemidesmosomes, and abnormal hemidesmosome intracellular attachment plates.