لماذا يسبب الملح لسعة وحرقة اذا لامس الجروح؟

18 أبريل 2013

عند وضع الملح على الجرح فإنه يذوب ويصبح السائل المحيط بأنسجة الجرح ذو تركيز
مرتفع بالنسبة لتركيز سوائل الجسم. الخلايا العصبية لديها مستقبلات تستجيب لمجموعة متنوعة من المثيرات، فمثلا هناك مستقبلات تستجيب بشدة للفلفل، وهناك مستقبلات تستجيب لتركيز الالكترولايت (المحلول الأيوني) مما يحفز استشعار الألم في الخلايا العصبية.

معلومات ثقافية، معلومات علمية

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