Definitions for "Von Willebrand factor"
a blood substance involved in clotting; decrease in this factor is the most common inherited clotting disorder, and may be a reason for some women to have very heavy periods
The clotting protein that is deficient in VWD. The VWF is either present at lower than normal levels or does not work properly.
(noun) a protein, made in endothelial cells, which causes the platelets to bind to the damaged blood vessel wall (platelet adhesion).