O ’zbekiston respublikasi oliy va o’rta maxsus ta’lim vazirligi namangan davlat universiteti fiziologiya kafedrasi

1 -rasm. Asab-mushak preparatini tayyorlash.


Topshiriqlar.
1. Mashg’ulotda tayyorlangan asab muskul preparatining sxematik rasmini daftarga chizing.
2. Preparat qismlarining nomlarini ko’rsating.


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2-ISH. Nerv muskul preparatiga har xil ta`sirlovchilarning ta`siri.
Nazariy qism. To`qimalarning qo`zg`luvchaligini xarakterlash uchun faqat ta`sirlagichning pog`ona kuchnigina emas, balki uning ta`sir qilish vaqtini ham hisobga olish zarurdir.
Ishning maqsadi: Muskullarga turli xil ta‘sirlovchilarni vositali va vositasiz yo’l bilan ta`sirlashning natijalarini kuzatish.
Ish uchun kerakli jihozlar: Induktsion apparat, vilkada elektrodlar, simlar, kimograf, universal shtativ qayd qiladigan qismlar bilan jarrohlik asboblar yig’indisi, shisha tayoqcha, ipakli ip, spirtovka, osh tuzi kristali, spirt, 1 % sulfat kislotasi, sovuqqonlilar uchun fiziologik eritma, paxta, baqa.
2-Ishni bajarish tartibi.
A) muskullarni mexanik ta`sirlovchilar bilan ta`sirlash:
1. Nerv uchini ip bilan bog’lash.
2. Nina bilan nerv va muskulga sanchish.
3. Nerv uchini pintset bilan qisish.
4. Qaychi bilan nerv uchini qirqing.