Enye nusi nana nèsea nu eye wòdaa asɔ: Vestibulocochlear Nerve le nya bɔbɔewo me!

Egbea míele nu ƒom tso míaƒe ŋutilã ƒe akpa aɖe si wɔ nuku ŋutɔ eye wòle vevie ŋutɔ la ŋu. Èbu alesi nèsea gbeɖiɖi, alo alesi nèdaa asɔ henɔa tsitrenu evɔ mèdze anyi o ŋu kpɔa? Ame aɖe li si kpena ɖe nusiawo katã ŋu, amesi tsɔa gbedasiwo tso míaƒe to ƒe ememe yia ahɔhɔ̃a me. Woyɔa esia be vestibulocochlear nerve . Togbɔ be ŋkɔa adze abe ɖe wòdidi vie ene hã la, dɔ si wòwɔna la lolo ŋutɔ. Mina míasrɔ̃ nu geɖe tso eŋu le mɔ bɔbɔe aɖe nu.

Nukae nye vestibulocochlear nerve sia?

Kpuie ko la, wò vestibulocochlear nerve nye xɔtunu si me akpa eve le. Eƒe dɔ vevitɔe nye be wòatsɔ seselelãme ŋuti nyatakakawo tso wò to ememetɔ me ayi wò ahɔhɔ̃ me. Lãmetsiŋusẽwo le abe ka sue siwo le míaƒe aƒewo me ene. Ka siawo tsɔa nyatakakawo, abe elektrik gbedasiwo ene, tso míaƒe ŋutilã ƒe sidzenu ɖesiaɖe gbɔ yia ahɔhɔ̃a me. Emegbe ahɔhɔ̃a ate ŋu azã nyatakaka mawo atsɔ awɔ ɖoɖo ɖe míaƒe ŋutilã ƒe dɔwɔwɔ ŋu nyuie.

Nyatakaka siwo tso ŋutinu eve siwo le wò to ememetɔ me gbɔ koŋue wò vestibulocochlear nerve. Ðeka nye ŋutinu si kpena ɖe ŋuwò nèsea gbeɖiɖiwo , eye evelia nye ŋutinu si kpena ɖe ŋuwò be wò ŋutilã ƒe ``dadasɔ ƒe seselelãme.''

Vestibulocochlear nerve nye tagbɔ ƒe lãmeka wuieve siwo le míaƒe ta me la dometɔ ɖeka. Tagbɔ ƒe lãmeka siawo kpena ɖe mía ŋu míesea ʋeʋẽ, vivia nu, ka asi eŋu, eye míewɔa mo ƒe dzedzeme. Vestibulocochlear nerve nye tagbɔ ƒe lãmeka wuieve siawo dometɔ enyilia (tagbɔ ƒe lãmeka VIII alo CN VIII) . Nusese kple dadasɔ koŋue wòlɔna ɖe eme. Woyɔnɛ ɣeaɖewoɣi be auditory vestibular nerve.

Eyata nukae nye lãmeka sia ƒe dɔ vevitɔ?

Ŋkɔ "vestibulocochlear" ŋutɔ naa kpeɖodzi aɖe tso lãmeka sia ƒe akpa eveawo kple woƒe dɔwɔwɔ ŋu. Ele bɔbɔe ŋutɔ, kpɔe ɖa ko:

• Vestibular nerve: Esia nye ŋkɔa ƒe akpa si nye "vestibulo". Etsɔa nyatakakawo tso wò vestibular system ƒe ŋutinuwo me yia wò ahɔhɔ̃ me. Vestibular organs siawoe dea dzesi nyatakaka siwo ku ɖe wò ta ƒe nɔƒe kple wò ta ƒe ʋuʋu ŋu. Wò ahɔhɔ̃ zãa nyatakaka siawo tsɔ kpena ɖe ŋuwò be nàda asɔ. Bu eŋu kpɔ, ɖoɖo sia kpena ɖe ŋuwò be màdze anyi ne èle zɔzɔm, le du ƒum, alo le ta ʋuʋum o.

• Cochlear nerve: Esia nye ŋkɔa ƒe akpa si nye "cochlear". Etsɔa gbeɖiɖi ŋuti nyatakakawo tso wò to ememetɔ ƒe akpa si le abe ʋetsuvi ene me yia wò ahɔhɔ̃ me. Wò ahɔhɔ̃ zãa nyatakaka siawo tsɔ kpena ɖe ŋuwò nèdea dzesi gbeɖiɖiwo hesea wo.

Lãmetsi eve siawo va ƒoa ƒu wɔa lãmeka ɖeka si woyɔna be `CN VIII`. Ke hã, le ɖekawɔwɔ vɔ megbe gɔ̃ hã la, wo dometɔ ɖesiaɖe wɔa eya ŋutɔ ƒe dɔ tɔxɛ – si nye gbedasi siwo ku ɖe dadasɔ ŋu tsɔtsɔ kple gbedasi siwo ku ɖe nusese ŋu tsɔtsɔ.

Àte ŋu aɖe alesi vestibular nerve wɔa dɔe me viea?

Wò vestibular nerve tsɔa nyatakakawo tso vestibular system ƒe ŋutinuwo me yia wò ahɔhɔ̃meka . Wò vestibular ŋutinuwo nye otolith ŋutinu eve (siwo woyɔna hã be utricles kple saccules) kple tɔdzisasrã etɔ̃ siwo le gota afã. Lãmetsi yɔ ŋutinu atɔ̃ siawo katã me fũ eye lãmenugbagbevi siwo sea nu gɔme le wo me. Ne èʋuʋu wò ta la, tsi sia kple lãmenugbagbeviwo ʋãna.

Alesi vestibular nerve wɔa dɔe nye esi:

1. Dzesi la dzea egɔme: Ne èʋuʋu wò ta la, tsi si le vestibular organs me la ʋãna. Emegbe seselelãme ƒe lãmenugbagbevi siwo le wo me la ʋãna. Ʋuʋu sia naa dzesi aɖe nɔa wò ŋutilã ƒe nɔƒe kple eƒe ʋuʋu ŋu.

2. Lãmetsiŋusẽ ƒe lãmenugbagbeviwo (ahɔhɔ̃mekawo) tsɔa dzesia: Lãmetsiŋusẽ ƒe lãmenugbagbevi siawo tsɔa dzesia toa vestibular nerve la dzi. Gbedasi sia zɔa mɔ yia teƒe aɖe si woyɔna be vestibular nuclei complex le ahɔhɔ̃a ƒe ke me. Nucleus ene le complex sia si. Nucleus siawo dometɔ ɖesiaɖe le ahɔhɔ̃a me ɖoa dzesiwo ɖe ŋutilã ƒe akpa vovovowo, ale be nàte ŋu ada asɔ.

3. Ahɔhɔ̃a wɔa dɔ tso nyatakaka siwo da sɔ ŋu: Nucleus aɖewo ɖoa seselelãme ƒe dzesi siwo ku ɖe afisi ŋutilãa le ŋu ɖe ahɔhɔ̃a ƒe akpa aɖewo abe ahɔhɔ̃mekawo kple ahɔhɔ̃mekawo ene. Nucleus bubuwo ɖoa seselelãme ƒe dzesiwo ɖe wò kɔ kple afɔwo, si kpena ɖe ŋuwò nèɖɔa wò nɔnɔme ɖo. Nucleus aɖewo ɖoa seselelãme ƒe dzesiwo ɖe wò ŋku ƒe lãmekawo, si kpena ɖe ŋuwò be wò ŋkuwo nɔa teƒe ɖeka ne wò ŋutilã le ʋuʋum gɔ̃ hã. Woyɔa esia be vestibulo-ocular reflex (VOR) . Bu eŋu kpɔ, ne èle bɔs dom la, VOR sia tae nàte ŋu akpɔ dzesi aɖe le gota.

Azɔ na míakpɔ alesi tomeka (seseŋusẽ) wɔa dɔe ɖa.

Wò tomeka (si woyɔna hã be tomeka) tsɔa nyatakakawo tso wò tomeka me yia wò ahɔhɔ̃meka. Abe vestibular system ƒe ŋutinuwo ene la, tsi yɔa wò tomeka me fũ eye taɖa ƒe lãmenugbagbevi siwo sea nu gɔme le eme. Ne gbeɖiɖi ƒe ƒutsotsoewo va ɖo la, tsi siawo kple lãmenugbagbeviwo ʋuʋuna.

Alesi tomeka wɔa dɔe nye esi:

1. Dzesi la dzea egɔme: Ne gbeɖiɖi ƒe ƒutsotsoewo ɖo wò tome, si nye basilar membrane si le eme gbɔLãmetsi aɖe si woyɔna be tomeka la ʋuʋuna. Ʋuʋudedi sia nana ɖa ƒe lãmenugbagbevi siwo sea nu gɔme le lãkusia dzi la ʋãna. Ne lãmenugbagbeviawo le zɔzɔm la, dzesi aɖe dona tso gbeɖiɖia ƒe nɔnɔme ŋu. Esia lɔ nuwo abe gbeɖiɖi ƒe ƒutsotsoewo ƒe tsɔtsɔme (i.e., alesi gbeɖiɖia kɔkɔ alo bɔbɔe - `kɔkɔe`) kple gbeɖiɖia ƒe sesẽme ɖe eme.

2. Dzesi la nye esi lãmekawo tsɔna: `Ahɔhɔ̃mekawo` (lãmenugbagbeviwo) tsɔa dzesi sia toa tomeka la dzi, vaseɖe esime wòɖoa teƒe aɖe si woyɔna be `cochlear nuclei` le ahɔhɔ̃a ƒe ke me. Tomeka siawo ƒe akpa etɔ̃e li. Akpa ɖesiaɖe xɔa nyatakaka ƒomevi vovovowo tso gbeɖiɖi ŋu. Le kpɔɖeŋu me, akpa aɖewo xɔa nyatakaka tso gbeɖiɖi siwo ƒe tsɔtsɔme le sue, abe bass gbeɖiɖiwo ene ŋu. Akpa bubuwo xɔa nyatakaka tso gbeɖiɖi siwo ƒe tsɔtsɔme lolo, abe gbeɖiɖi sesẽwo ene ŋu.

3. Ahɔhɔ̃a wɔa gbeɖiɖi ŋuti nyatakakawo ŋudɔ: Tomekawo ɖoa seselelãme ƒe dzesi siwo ku ɖe gbeɖiɖi ŋu ɖe wò ahɔhɔ̃a ƒe tomeka . Esia le ahɔhɔ̃a ƒe akpa si woyɔna be temporal lobe . Afi siae wowɔa gbeɖiɖi ŋuti nyatakaka siwo nèse la ŋudɔ le hesea wo gɔme le.

Ðe mewɔ nuku oa? Aleke gbegbe nu geɖe ate ŋu adzɔ le lãmeka sue sia ŋue nye si! Ele abe mɔ̃ɖaŋununya gã aɖe si le míaƒe ŋutilã me ene.

Eyata afikae vestibulocochlear nerve sia le?

Vestibulocochlear nerve la le ƒu ƒe mɔ aɖe si woyɔna be Internal Auditory Canal (IAC) , si nye afisi wò to ememetɔ do ƒome kple wò taɖu ƒe akpa si le ete.

• Vestibular nerve dzea egɔme tso lãmekawo ƒe babla si woyɔna be vestibular ganglion (`Vestibular (Scarpa's) ganglion`) si te ɖe vestibular organs ŋu me. Ewɔa ɖeka kple tomeka si le `IAC` me tsɔ wɔa `CN VIII`. Gake egaɖea eɖokui ɖa tso tomeka gbɔ ne eɖo vestibular nuclei complex si le ahɔhɔ̃mekaa me gbɔ.
• Tomeka la dzea egɔme tso lãmeka babla aɖe si woyɔna be spiral ganglion si te ɖe tomeka ŋu me. Esia ƒoa ƒu ɖe vestibular nerve si le IAC me ŋu wòwɔa CN VIII. Emegbe eɖea eɖokui ɖa tso vestibular nerve gbɔ ne eɖo eƒe nucleus siwo sɔ kplii gbɔ le ahɔhɔ̃mekaa me.

Kpuie ko la, ɖeko wòle abe ɖe lãmeka eve siawo dzea egɔme tso to ememetɔ me, wozɔa mɔ ɖekae hena didiƒe kpui aɖe, eye emegbe wogaɖea wo nɔewo ɖa be yewoawɔ woawo ŋutɔ ƒe dɔwo ne woge ɖe ahɔhɔ̃a me ene.

Nukae wotsɔ wɔa vestibulocochlear nerve?

Sidzenu ƒe ahɔhɔ̃mekawo (afferent neurons) koe nye vestibulocochlear lãmeka la . Esia fia be eƒe taɖodzinu ɖeka koe nye be wòatsɔ dzesi siwo kpena ɖe ahɔhɔ̃a ŋu be wòawɔ nyatakaka siwo wotu ɖe wò sidzenuwo dzi (abe nusese kple ŋutilã ƒe nɔnɔme ene) la ɖe asi. Metsɔa mɔ̃ ƒe gbedasiwo, si fia gbedasi siwo tso ahɔhɔ̃a gbɔ yia lãmekawo gbɔ o.

Nukawoe nye nɔnɔme siwo bɔ siwo ate ŋu akpɔ ŋusẽ ɖe vestibulocochlear nerve dzi?

Nublanuitɔe la, nɔnɔme aɖewo li siwo ate ŋu agblẽ nu le lãmeka vevi sia ŋu. Wo dometɔ aɖewoe nye:

• Nuveviwɔame: Nuveviwɔame le wò taɖu ƒe akpa aɖewo, vevietɔ afisi wò to ememetɔ le. Bu eŋu abe ta ƒoƒo ene.
• Nɔnɔme siwo wodzina (kuxi siwo nɔa anyi le vidzidzi me): Ɣeaɖewoɣi la, kuxiwo ate ŋu ado mo ɖa tso vidzidzi me elabena CN VIII metsina nyuie o.
• Dɔdzẽ: Dɔdzẽ siwo menye kansa o (siwo me dɔlékui aɖeke mele o) abe gbeɖiɖi ƒe ahɔhɔ̃mekawo ene ate ŋu adzɔ. Togbɔ be esiawo menye kansa o hã la, woate ŋu ahe kuxiwo vɛ ne wozi lãmekaa dzi.
• Dɔlékuiwo: Dɔlékuiwo abe vestibular neuritis alo labyrinthitis ene ate ŋu agblẽ nu le lãmeka sia ŋu.

Aleke mawɔ anya ne kuxi aɖe le nye vestibulocochlear nerve ŋu? (Dɔléle dzesi)

Ne wò vestibulocochlear nerve gblẽ la, àte ŋu akpɔ dzesi siwo akpɔ ŋusẽ ɖe wò tosese kple wò ŋutete be nàda asɔ dzi. Kpɔe ɖa be esiawo dometɔ aɖe le asiwò hã:

• Sensorineural hearing loss: Esia nye to ƒe dɔmawɔmawɔ nyuie si tso kuxi aɖe si le to ememetɔ me gbɔ.
• Tome ƒe ɖiɖi: Gbeɖiɖi si le ɖiɖim, le ɖiɖim, alo le to me. Le ame aɖewo gome la, esia aɖi abe kpẽ alo ɣlidodo ene.
• Taɖuame: Sese le eɖokui me be yele tsatsam, yeƒe ta le ƒoƒom, alo yeƒe dadasɔ.
• Vertigo: Seselelãme be nuwo le tsatsam, alo be èle tsatsam, ne ètsi tre ɖe teƒe ɖeka gɔ̃ hã. Esia ate ŋu ase le eɖokui me abe ɖe nèle dzi yim hele ɖiɖim le ʋuʋudedi me ene.
• Nystagmus: Ŋkuwo ƒe ʋuʋu kabakaba si dzi womeɖu o.

Ne dzesi siawo dometɔ ɖeka alo esi wu nenema le ŋuwò la, anyo wu be nàkpɔ ɖɔkta enumake . Ele vevie be nàdi nusi gbɔ wòtso eye nàdze atikewɔwɔ gɔme kaba.

Aleke ɖɔktawo léa ŋku ɖe `CN VIII` sia ƒe lãmesẽ ŋu?

Dodokpɔ geɖe li siwo ɖɔktawo zãna tsɔ léa ŋku ɖe wò vestibulocochlear nerve ƒe lãmesẽ ŋu:

• Tosese dodokpɔ: Wowɔa dodokpɔ siawo be woakpɔe ɖa be nusese ƒe kuxi aɖe le wò to ememetɔ me hã. Kpɔɖeŋu aɖewoe nye Rinne ƒe dodokpɔ kple Weber ƒe dodokpɔ . Le dodokpɔ siawo me la, ɖɔkta tsɔa tuning fork si le ʋuʋum (si nye tuning fork ƒomevi aɖe) dana ɖe wò ta kple wò to gbɔ eye wòléa ŋku ɖe eŋu be yeate ŋu ase gbeɖiɖiwo hã.
• Vestibular dodokpɔwo:Wowɔa dodokpɔ siawo tsɔ léa ŋku ɖe wò vestibular system ƒe lãmesẽ ŋu. Dodokpɔ siwo dia nystagmus (ŋku ƒe ʋuʋu kabakaba) ɖea vi ŋutɔ le tagbɔ ƒe lãmeka VIII ƒe kuxiwo nyanya me.
• Nɔnɔmetatawo dodokpɔ: Woate ŋu awɔ CT scan (computed tomography scans) alo MRI (magnetic resonance imaging) atsɔ adi nusiwo mesɔ o le wò to me, abe kpe gbadzɛwo ene . MRI ate ŋu aɖee afia be nu gblẽ le vestibulocochlear nerve ŋu, abe ʋu si le dodom le to ememetɔ me ene.

Aleke wodaa vestibulocochlear nerve dɔléle siawoe?

Atikewɔwɔmɔnu ate ŋu ato vovo le nɔnɔmea nu. Dɔdamɔnu siwo wozãna wu dometɔ aɖewoe nye esi:

• Atikewo: Dɔlékuiwo gbɔe dɔlékui akpa gãtɔ siwo gblẽa nu le vestibulocochlear nerve ŋu la tsona. Zi geɖe la, woawo ŋutɔwo kɔa nu me. Gake le go aɖewo me la, wò ɖɔkta ate ŋu aŋlɔ dɔlékuiwutikewo na wò be wòakpe ɖe ŋuwò nàhaya kaba. Woate ŋu aŋlɔ corticosteroids hã na ame be wòaɖe abi si le CN VIII me dzi akpɔtɔ.
• Amekoko: Ðewohĩ ahiã be woawɔ dɔ na wò be woaɖe dɔdzẽ, abe gbeɖiɖi ƒe ahɔhɔ̃mekawo ene, siwo le kuxiwo hem vɛ na wò tosese alo dadasɔ. Ne mènye ame nyui si woawɔ dɔ na wò o la, wò ɖɔkta ate ŋu azã atike aɖe si woyɔna be stereotactic radiotherapy atsɔ aɖe dɔdzẽawo dzi akpɔtɔ.
• Vestibular rehabilitation therapy: Ne kuxiwo le wò vestibular system ŋu ɣeyiɣi didi aɖe la, atikewɔwɔ sia ate ŋu akpe ɖe ŋuwò nàsrɔ̃ kamedede siwo ate ŋu ana wò dadasɔ nanyo ɖe edzi. Atikewɔwɔ si ƒomevi nèhiã anɔ te ɖe nɔnɔme si ƒomevi hea wò vestibulocochlear nerve kuxiwo vɛ dzi.

Aleke mawɔ ana nye vestibulocochlear nerve nanɔ lãmesẽ me?

Nyateƒee, míate ŋu axe mɔ ɖe nɔnɔme siwo katã ate ŋu agblẽ nu le vestibulocochlear nerve ŋu, abe abi alo dɔdzẽ ene ŋu o. Ke hã, nanewo li nàte ŋu awɔ atsɔ akpɔ wò to ememetɔ ta.

Le kpɔɖeŋu me:

• Takpɔ wò towo ne èle teƒe siwo gbeɖiɖi sesẽ le. Toɣliɖeɖe sesẽwo ate ŋu agblẽ nu le taɖa ƒe lãmenugbagbevi siwo sea nu gɔme le wò to ememetɔ me, si ate ŋu ana màse nu nyuie o.
• Kpɔ ɖɔkta ne èkpɔ kuxi aɖe abe to me dɔlékui ene ƒe dzesi gbãtɔ. Atikewɔwɔ kaba ate ŋu axe mɔ ɖe nusiwo agblẽ nu geɖe wu nu.
• Kpɔ nyuie le abi siwo woxɔna le ta ŋu. Gakuku dodo kple kamedefefe siwo me dedienɔnɔ le wɔwɔ le vevie.

Wò to ememetɔ dzi kpɔkpɔ nyuie nyo na wò dadasɔ kple wò tosese le goawo katã me. Enaa vestibulocochlear nerve la xɔa gbedasi siwo me kɔ, siwo mewɔa tɔtrɔ o na ahɔhɔ̃a.

Gbedasi si Wotsɔ Yi Aƒeme tso Nyati sia me

Eyata, wò vestibulocochlear nerve le abe tɔdzisasrã vevi aɖe ŋutɔ si doa ka kple wò vestibular system (dadasɔ) kple auditory system (tosese) kple wò ahɔhɔ̃ ene. Ne kadodo vevi sia meli o la, wò to ememetɔ ate ŋu awɔ gbedasi siwo ku ɖe gbeɖiɖi kple dadasɔ ŋu la ŋudɔ, gake gbedasi mawo mate ŋu azɔ mɔ ayi wò ahɔhɔ̃ me be woase wo gɔme o.

Eyata `CN VIII` si le dɔ wɔm nyuie ƒe amesinɔnɔ le vevie ŋutɔ be nànɔ kadodo me kple seselelãme ƒe nuteƒekpɔkpɔ siwo le xexe si ƒo xlã wò me. Ema fia be, àte ŋu ase ha vivi aɖe, aƒo nu kple xɔ̃wò aɖe, azɔ azɔli madze anyi, aƒu du, ahati kpo, nu siawo katã kpena ɖe lãmeka sue sia ŋu ŋutɔ. Eya ta enye míaƒe agbanɔamedzi be míade ŋugble le eŋu vie ahalé be nɛ.

Ne nya bubu aɖewo gale asiwò ku ɖe esia ŋu la, mègavɔ̃ gbeɖe be yeaƒo nu kple ɖɔkta o. Wole klalo be yewoakpe ɖe ŋuwò.

` Vestibulocochlear lãmeka, tosese, dadasɔ, to ƒe lãmeka, CN VIII, to ememetɔ, tosese ƒe ɖoɖo