A familial coagulation disorder characterized by a prolonged bleeding time, unusually large platelets, and impaired prothrombin consumption.

Synonyms: Platelet Glycoprotein 1b, Deficiency of, Syndromes, Giant Platelet, Platelet Glycoprotein Ib Deficiency, Von Willebrand Factor Receptor Deficiency, Bernard-Soulier Syndrome, Glycoprotein Ib, Platelet, Deficiency Of, Deficiency of Platelet Glycoprotein 1b, Syndrome, Bernard-Soulier, Syndrome, Giant Platelet, Bernard Soulier Syndrome, Platelet Syndromes, Giant, Giant Platelet Syndrome