Von-willebrand-disease definitions

vŏn wĭl ə-brănd′, fôn vĭl ə-bränt′
A usually genetic bleeding disorder caused a deficiency or an abnormality of a clotting factor that affects platelet adhesion.
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(medicine) An hereditary disease, characterized by a tendency to hemorrhage, and caused by a defect in blood platelet activity.
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