من أسباب النزيف
إضطرابات إفراز الصفائح الدموية
disorders of platelets secretion
تشمل اضطرابات إفراز الصفائح الدموية نقص حبيبات ألفا alpha granules ونقص الحبيبات الكثيفة dense granules وآلية إفراز الحبيبات غير الطبيعية.
المرضى الذين يعانون من شذوذ إفراز الصفائح الدموية لديهم:
١. ضعف التصاق الصفائح الدموية impaird platelet adhesion
٢.تجميع aggregation
٣. إصلاح الأوعية الدموية بعد الإصابة.
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