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1. decreased platelet function; called also thromboasthenia.
Glanzmann thrombasthenia a hereditary platelet abnormality characterized by defective clot retraction, prolonged bleeding time, and related symptoms such as epistaxis and inappropriate bleeding. Clinically there is abnormal glass adhesion and impaired aggregation to ADP, collagen, and thrombin. Called also thrombasthenia and Glanzmann's disease.
Glanz·mann throm·bas·the·ni·a(glahntz'mahn), [MIM*187800]
a hemorrhagic diathesis characterized by normal or prolonged bleeding time, normal coagulation time, defective clot retraction, and normal platelet count, but morphologic or functional abnormality of platelets; several different kinds of platelet abnormalities have been described; caused by defect in platelet membrane glycoprotein IIb-IIIa complex; autosomal recessive inheritance, caused by mutation in the platelet-membrane glycoprotein IIb-IIIa complex gene (ITGA2B) on chromosome 17.
Glanz·mann thromb·as·the·ni·a(glahnts'mahn throm'bas-thē'nē-ă)
A hemorrhagic diathesis characterized by normal or prolonged bleeding time, normal coagulation time, defective clot retraction, and normal platelet count but morphologic or functional abnormality of platelets.
Glanzmann,Eduard, Swiss clinician, 1887-1959.
Glanzmann disease - Synonym(s): Glanzmann thrombasthenia
Glanzmann-Naegeli syndrome - Synonym(s): Glanzmann thrombasthenia
Glanzmann and Riniker lymphocytophthisis - agammaglobulinemia, absent thymus, severe cytopenia, recurring infections, and inability to form antibodies.