Imisele yamagciwane ayizinhlaka eziyingxenye yesistimu ye-vestibular endlebeni yangaphakathi. Isistimu ye-vestibular ibhekene nomqondo wakho wokulinganisela nokulingana. Kokubili i-cochlea (ingxenye yokuzwa kwakho kwezwa) kanye nesistimu ye-vestibular ihlala endaweni ye-bony labyrinth, isakhiwo esinama-bony ukuze uvikele izakhi zendlebe yangaphakathi.
Ngaphakathi kwesistimu ye-vestibular, kunamachiza amathathu we-semicircular kanye nama-otoliths amabili (izindlebe zamatshe) ezitholakala njenge-utricle ne-saccule. Lezi zingxube zomzimba ezincane ziyaziwa ngokuma kwazo: ama-anterior, ama-posterior (okude kakhulu), kanye nama-canal semicircular canals.
Imisele yamabhomu iqukethe amathanga amathathu ahlelwe ngezindiza ezintathu ezihamba phambili, futhi umgwaqo ngamunye ujikeleza emuva ngezingalo ezahlukene. Amathayi ahlezi ngakwesokudla komunye nomunye; kufana nendlela izinhlangothi ezintathu zebhokisi ezihlangana ngayo ekhoneni.
Imisele yamachiza igcwele i-endolymph ebizwa ngokuthi i-fluid. Uma sithutha imizimba yethu, umfutho ophakathi kwamagesi wamagciwane uyashukumisela futhi. Ngamanye amathanga ane-ampulla (ukukhuliswa kwe-canal) exhuma kwi-utricle. Ukunyakaza kwe-fluid kutholakala ngezinkomba ezinjengezinwele ezibizwa ngokuthi i-cilia, eqala isignali kagesi esithunyelwa ku-nerve auditory, lapho iqhutshwa khona ubuchopho.
Ama-canals we-semicircular aphethwe ukuzwa kwethu kokunyakaza okujikelezayo. Imigomo ye-aeronautic ingasetshenziselwa ukuchaza kangcono lokhu kuhamba:
- I-Pitch ichaza ukunyakaza okuphezulu nokuya phansi lapho ugoqa ikhanda lakho "yebo"
- I-Roll ichaza ukukhishwa kwekhanda lakho ngakwesokunxele noma kwesokudla
- I-Yaw ichaza ukuhamba kwekhanda lakho ngakwesobunxele noma ilungelo uma unyakaza ikhanda lakho "cha"
Ukuhamba nge-coaster roller kuzokunika ukuzwa okuphelele nokunyakaza okuhambisana nezinhlelo zakho ze-vestibular ezinamathanga angama-circular and organ otolith. Ama-canals we-semicircular ahlangene nama-otolith, kepha asebenza ngokuhlukana. Inhlanganisela yolwazi oluvela kuzo zombili izingxenye zesistimu ye-vestibular ikuvumela ukuba uhambe futhi uhambise ikhanda lakho ngenkathi ubheka amehlo akho entweni eyodwa. Lesi sici esivumela ukuthi sihambe sonke isikhathi singacabangi nemiphumela ye-vertigo ... okuyilapho sonke sisebenza njengoklanyelwe.
Ukuthuthukiswa
Ukuthuthukiswa kokulinganisela kwethu nokulingana kuthatha isikhathi. Ingane evamile ayinayo isistimu ye-vestibular esebenze ngokuphelele kuze kube yilapho ineminyaka engama-6 ubudala. Ukuphazamiseka kulokhu kuthuthukiswa kungenza kube nzima ukuhlala okungekho emthethweni noma eminye imisebenzi edinga ibhalansi njengokuma noma ukuhamba. Yingakho ungabona ukuthi izingane ezinokulibaziseka kwentuthuko zingase zibe nezinkinga ngalezi zenzo. Ukuncipha kwisistimu ye-vestibular kungabangela nokungasebenzi kahle kwe-reflex okubandakanya uhlelo lwe-vestibular kanye namehlo eyaziwa ngokuthi i-vestibulo-ocular reflex (VOR) efaka izinkinga ezilandelayo:
- Ukuntuleka kwemibono ecacile ngesikhathi sokunyakaza kwekhanda ngokushesha
- Ukufunda
- Ukubhala
- Ukulawulwa kwezimoto ezinhle
- Ukulawulwa kwezimoto ezinkulu
Ukuhlola
Uma uhlola ukusebenza kwemisele yamachiza, i-ENT yakho, i-audiologist, noma abanye odokotela bayohlola futhi yonke indlela ye-vestibular system nokuzwa kwakho. Imisindo ye-MRI ne-CT ingenziwa ukuze ibheke izimbangela zesakhiwo kuhlanganise nomdlavuza. Okunye ukuhlolwa okungasetshenziselwa ukunquma ukungasebenzi kwe-vestibula kuhlanganisa:
- I-Electronystagmography noma i-Videonystagmography (ENG / VNG)
- Ukuhlolwa kwe-Rotation
- Ukuhlolwa kwe-Head Impulse Testing (VHIT)
- I-Vestibular Inokukhubazeka I-Myogenic Ephukile
- I-Dynamic Posturography yekhompyutha (CDP)
Ukuphazamiseka Okuhlobene Nezikhukhula Zezinhlamvu
- I-CHARGE Syndrome
- I-Labyrinthitis ne-Vestibular Neuritis
- Izifo zikaMeniere
- Ukugula kokuhamba
- I-Superior Semicircular Canal Dehiscence Syndrome
- I-Vertigo
Umthombo:
I-American Speech-Language-Hearing Association. (nd). Indlela I-Balance System Yethu Isebenza ngayo. http://www.asha.org/public/hearing/How-Our-Balance-System-Works/
Lee, SC, Abdel Razek, OA, Dorfman, BE, Talavera, F., Roland, PS & Meyere, AD (2013). Uhlelo lwe-Vestibular Anatomy. http://emedicine.medscape.com/article/883956- ukubukwa kabusha
Mosby. (2012). I-Mosby's Dictionary Yezokwelapha, Ubuhlengikazi Nezokwelapha. http://www.credoreference.com (Okubhaliselwe Kudingeka)
I-National Aeronautics and Space Administration. (2004). Isistimu yeVestibular Yabantu Esikhathini. http://www.nasa.gov/audience/forstudents/9-12/features/F_Human_Vestibular_System_in_Space.html
Indlebe yangaphakathi. http://hyperphysics.phy-astr.gsu.edu/hbasees/Sound/eari.html
I-Vestibular Disorders Association. (nd). Izifo ze-vestibular zixilongwa kanjani? http://vestibular.org/understanding-vestibular-disorder/diagnosis