كيس الخصية

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Keep going الخصيتين 17 أكتوبر 2016

يجيب عن هذا السؤال بوب بولتر، طبيب بيطري متقاعد في ويلز، قائلاً إن كيس الخصيتين أو وعاء الصفن يلعب دوراً حيوياً في تنظيم درجة حرارة...

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