Human vestibular analyzer. Tsari da kuma aiki

A vestibular analyzer ne a tsarin da na tsarin jijiya Tsarin da mechanoreceptors, wanda damar mutum ya gane da kuma daidai Orient da matsayi na jikinsa a cikin sarari. Mechanoreceptors samuwar kasashe ne daban-daban irin hanzari. Kusurwa accelerations sa zumudi ampullar rabe. A rectilinear yanayi na inganta hanzari na'urori masu auna sigina bugun jini da ya faru a cikin shirayin. Vestibular da ampullar hatsaisai ana tuba a cikin jijiya sakonni da kuma taimakawa ci gaba da tsakiya m tsarin, da fuskantarwa a sarari.

A tsarin da mutum vestibular analyzer

A tsaye reflexes ake gane ta hanyar hulda da gawarwakin iya zuwa gane samuwar kasashe da kuma canza su a cikin jijiyar. Signals zuwa daga vestibular na'ura zuwa vestibular jijiya, ta hanyar abin da suka shiga cikin yankuna na medulla oblongata. A kan Hauwa'u na dearest, kuma Ya sanya wani jakar. su surface rufe azanci shine Kwayoyin wanda ya kasu kashi columnar tsari da kuma pear. M hairs daga wadannan Kwayoyin suna kewaye da otolith membrane. Lokacin da motsi na da shugaban da karfi na nauyi na otoliths matsawa da shafi azanci shine dankon. Don muhimmi ɓangare na haska cell alaka-jijiya endings cewa sami sakonni daga jikinta.

asali ayyuka

A binciken da vestibular analyzer saukar biyar iri halayen su wadda aka samar:

1. Vestibulosomaticheskie halayen sa vestibulo shaidu. Tare da su taimako, vestibular analyzer inganta redistribution tsoka sautin at daban-daban accelerations.
2. Oculomotor dauki. Suna sa ta gaban ido-motor sadarwa da kuma sa involuntary ƙungiyoyi daga cikin idanu ko nystagmus. Wannan tsari ne biphasic. A lokaci na farko da hangula ampullar tsoka mai amsa sigina da m jinkirin motsi zuwa ga ido. A na biyu lokaci sakamakon m motsi compensating eyeballs komawa zuwa asali matsayi. Vestibular analyzer tsokani nystagmus for kayyade shaye yanayi, niƙaƙƙun gaɓãɓuwa a lokacin da rotational motsi. Haka kuma yana taimaka wani mutum kiyaye hanya abubuwa da ake motsi a high gudun.
3. Vestibular ayyuka ne wanda aka daidaita hali. Idan kana da wani daga cikin wadannan halayen iya palpitations, ta ƙara jini, sa tashin zuciya a kan wani bango na accelerating mataki.
4. Vestibulomozzhechkovye halayen faruwa a lokacin aiki motsi. Su taimakawa wajen kula da jiki matsayi a sarari, lokacin da jiki ne a wani mashahurin jihar. Wannan yana cika ta hanyar da ta dace rarraba tsoka sautin at daban-daban accelerations.
5. Godiya ga nasabar da vestibular bawo analyzer taimaka wajen aiwatar da tsakiyar lura da kuma gyara vestibulosensornoy dauki.