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ما هى الدعامه فى الانسان.. great news

03 نوفمبر 2021

الدعامه بشكل عام:

هى وسيله و اجهزه تعطى للكائن الحى شكله وتدعمه و تقويه

الدعامه فى النسان:

يعمل الجهاز الهيكلى فى الانسان على تدعيم الجسم وحماية بعض اعضائه، ويساهم فى الحركه بالاضافه الى انه يعطى للإنسان الشكل المميز

الجهاز الهيكلى فى الانسان:

الهيكل العظمى
الغضاريف
المفاصل
الاربطه
الاوتار

أولاً: الهيكل العظمى

يتكون الهيكل العظمى فى الانسان من 206 عظمة، لكل عظمه شكل وحجم يناسبان الوظيفه التى تقوم بها.

والهيكل العظمي ينقسم إلى قسمين:

الهيكل المحورى و هو 80 عظمه:
العمود الفقرى
الجمجمة
القفص الصدرى
الهيكل الطرفى وهو 126 عظمه:
الحزام الصدرى و الطرفان العلويان
الحزام الحوضى و الطرفان السفليان

great news

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