Preferred Label : von Willebrand Disease, Type 2M;
Alternative definition : NICHD: An autosomally inherited (generally dominant) coagulation disorder characterized
by qualitative abnormalities of the von Willebrand factor (VWF). The mutant VWF shows
decreased platelet adhesion without a deficiency of high molecular weight multimers;
this functional defect is caused by mutations that disrupt VWF binding to platelets
or to subendothelium.;