You know what it looks like… but what is it called?
TAKE THE QUIZ“Willebrand factor”
We have one entry that includes the term Willebrand factor.
von Willebrand factor
noun: a large glycoprotein clotting factor circulating in blood plasma that mediates platelet adhesion to collagen at sites of vascular injury, that binds to and protects factor VIII from degradation, and that is deficient or defective in individuals affected with von Willebrand disease
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Merriam-Webster unabridged