kekirdak
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About "kekirdak"
mavzu : kekirdak ,bronxlar,o’pka, plevra,ko’ks oralig’i yoshga qarab o’zgarishi . mavzu : kekirdak ,bronxlar,o’pka, plevra,ko’ks oralig’i yoshga qarab o’zgarishi . bajardi : dushaboyeva anora . tekshirdi :ibragimova nodira . kekirdak . kekirdak yoki traxeya (trachea) ,uzunligi 9-11 sm , diametri 15-18 mm keladigan naydan iborat bo’lib ,4 bo’yin umurtqasining ro’parasida , bevosita hiqildoqdan boshlanadi ,so’ngra ko’krak qafasining yuqori teshigi orqali ko’ks oralig’icha borib ,4-5 ko’krak umurtqalarining ro’parasida chap va o’ng bronxlarga ajraladi .traxeyaning ana shu ajralgan yeri kekirdak ayrisi (bifurcatio tracheae)deb ataladi . kekirdak joylashishiga ko’ra bo’yin va ko’krak qismlarga bo’linadi . kekirdakning bo’yin qismini old tomondan jog’ osti muskullari ( mm. sternohyoideus et ster...
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