Cov txheej txheem:
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Video: Koj ntsuas Vestibulocochlear hlab ntsha li cas?
![Video: Koj ntsuas Vestibulocochlear hlab ntsha li cas? Video: Koj ntsuas Vestibulocochlear hlab ntsha li cas?](https://i.ytimg.com/vi/jAStWLl1CJo/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov vestibulocochlear paj kho qhov hnov thiab tshuav nyiaj li cas. Kev hnov lus tuaj yeem yog ntsuas nrog 512-Hz tuning diav rawg. Kev xeem Rinne thiab Weber feem ntau siv rau soj ntsuam rau sensorineural thiab conductive lag ntseg. Nyob rau hauv qhov kev xeem Weber, lub hauv paus ntawm ib tug maj mam vibrating tuning diav rawg yog muab tso rau ntawm lub midforehead los yog lub vertex.
Hais txog qhov no, koj ua li cas kuaj rau 8th cranial paj?
8th Cranial paj hlwb
- Kev hnov lus yog thawj zaug hauv txhua pob ntseg los ntawm kev ntxhi ib yam dab tsi thaum occluding lub pob ntseg opposite.
- Vestibular muaj nuj nqi tuaj yeem soj ntsuam los ntawm kev sim rau nystagmus.
- Yog tias cov neeg mob muaj mob vertigo thaum kuaj, nystagmus feem ntau pom tseeb thaum kuaj.
Ib yam nkaus, qhov twg yog qhov thib 8 cranial paj nyob? Cov 8th cranial paj hlwb sau nruab nrab ntawm lub hauv paus ntawm pons (ntu ib nrab ntawm lub paj hlwb) thiab medulla oblongata (qis dua ntawm lub paj hlwb). Qhov kev sib tshuam ntawm pons, medulla, thiab cerebellum uas muaj cov 8nd cev hu ua cerebellopontine angle.
Tom qab ntawd, ib tus tuaj yeem nug, koj yuav ntsuas lub ntsej muag li cas?
Cov ntsej muag paj hlwb muab lub cev muaj zog ceg rau cov leeg ntawm ntsej muag qhia. Qhov no paj hlwb yog li ntawd tau sim los ntawm kev nug tus neeg mob kom plam lawv lub hauv pliaj (nce lawv cov pob muag), kaw lawv lub qhov muag thiab kaw lawv tawm tsam kev tawm tsam, puff lawv ob sab plhu thiab nthuav tawm lawv cov hniav.
Yuav ua li cas yog tias Vestibulocochlear hlab ntsha puas lawm?
Cov vestibulocochlear paj Nws yog lub luag haujlwm rau kev hnov lus thiab sib npaug thiab nqa cov ntaub ntawv los ntawm pob ntseg mus rau lub hlwb. Teeb meem nrog vestibulocochlear paj tuaj yeem ua rau vertigo, ntuav, suab nrov hauv pob ntseg, tsis hnov lus tsis zoo, mob tsis hnov lus, lossis tsis hnov lus.
Pom zoo:
Vim li cas cov hlab ntsha thiaj li tuab cov hlab ntsha?
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Cov hlab ntsha yog cov phab ntsa tuab vim tias lawv xav tau ntau lub zog los tso ntshav thoob plaws lub cev thiab cov phab ntsa tuab muab qhov siab ntawd. Lub siab hauv peb cov hlab ntshav ntau dua li cov leeg ntshav vim cov ntshav yuav tsum tau mus thoob peb lub cev
Tus pas ntsuas ntsuas ntsuas ntsuas ntsuas ntsuas yog dab tsi?
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Qhov kev ntsuas no siv cov khoom paub ntawm lub ntiajteb txawj nqus los txiav txim siab tias tus neeg yuav siv sijhawm ntev npaum li cas los teb rau qhov poob ntawm ib yam khoom los ntawm kev ntsuas deb npaum li cas cov khoom tuaj yeem ntog ua ntej raug ntes
Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi?
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Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
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Muaj plaub hom neuroglia pom nyob hauv nruab nrab lub paj hlwb: Astrocytes - tswj cov ntshav lub hlwb teeb meem thiab khaws cov tshuaj ib puag ncig los ntawm kev siv cov ions rov qab thiab cov tshuaj xa xov mus rau lub cev. Oligodendrocytes - myelinate axons nyob rau hauv lub hauv nruab nrab lub paj hlwb thiab muab tag nrho cov txheej txheem txheej txheem
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Cov hlab ntshav yog cov hlab ntshav ua lub luag haujlwm nqa cov pa oxygen ntau ntawm lub plawv mus rau lub cev.Cov leeg ntshav yog cov hlab ntshav uas nqa cov ntshav qis inoxygen los ntawm lub cev rov mus rau lub plawv forreoxygenation