When i went to the season 2 wiki the release date now says Q4 can someone tell me what that is < >
Von Willebrand disease, type 2B: Introduction. Von Willebrand disease, type 2B: A rare inherited blood coagulation disorder characterized by a defect in plasma protein called the von Willebrand factor which leads to bleeding problems. Type 2 vWD is further subdivided into 4 subtypes, each with a different underlying genetic defect.
Key Points. 1  Von Willebrand disease is the most common inherited bleeding disorder. 2  There are three types of von Willebrand disease: type 1, type 2, and type 3.  Hemophilia is a disease where there is a low levels of, or none, of blood proteins important for clotting, causing an inability to produce blood clots.