![Dab tsi yog qhov ua haujlwm ntawm cov kwj dej semicircular hauv pob ntseg? Dab tsi yog qhov ua haujlwm ntawm cov kwj dej semicircular hauv pob ntseg?](https://i.answers-medical.com/preview/medical-health/14026355-what-is-the-function-of-the-semicircular-canals-in-the-ear-j.webp)
Video: Dab tsi yog qhov ua haujlwm ntawm cov kwj dej semicircular hauv pob ntseg?
![Video: Dab tsi yog qhov ua haujlwm ntawm cov kwj dej semicircular hauv pob ntseg? Video: Dab tsi yog qhov ua haujlwm ntawm cov kwj dej semicircular hauv pob ntseg?](https://i.ytimg.com/vi/zHhiBB2UDlk/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Koj semicircular kwj dej yog peb lub raj me me, cov kua dej puv hauv koj sab hauv pob ntseg uas pab koj khaws koj qhov nyiaj tshuav. Thaum koj lub taub hau txav ib ncig, cov kua hauv lub semicircular kwj dej sloshes ib ncig thiab txav cov plaub mos mos me me uas kab txhua kwj dej.
Raws li, qhov ua haujlwm ntawm cov kwj dej ib nrab thiab lub vestibule yog dab tsi?
Muaj ob qhov kawg ntawm cov kabmob hauv lub pob ntseg sab hauv, lossis labyrinth: the semicircular kwj dej , uas teb rau rotational txav (angular acceleration); thiab qhov tseem ceeb thiab saccule hauv lub vestibule , uas teb rau kev hloov pauv ntawm txoj haujlwm ntawm lub taub hau nrog kev hwm rau lub ntiajteb txawj nqus (kev nrawm nrawm).
Tom qab ntawd, lo lus nug yog, dab tsi yog qhov ua haujlwm ntawm Cristae nyob rau hauv pob ntseg? Cov crista ampullaris yog lub cev hnov ntawm kev sib hloov. Lawv tau pom nyob hauv ampullae ntawm txhua qhov ntawm cov kwj dej ib nrab ntawm cov pob ntseg , txhais tau tias muaj 3 khub tag nrho. Cov kev ua haujlwm ntawm crista ampullaris yog kom nkag siab angular acceleration thiab deceleration.
Raws li txoj cai, cov plaub hau hauv cov semicircular canals pom dab tsi?
Cov semicircular kwj dej pom tig nrawm ntawm lub taub hau. Thaum lub taub hau tau txav mus rau qhov endolymph nyob rau hauv qhov chaw txheeb ze rau pob txha taub hau thiab deflects lub khob hauv uas cov plaub hau yog imbedded. Thaum so cov hlab ntsha vestibular los ntawm txhua tus semicircular kwj dej muaj keeb kwm yav dhau los tua lub zog.
Vim li cas thiaj muaj 3 lub kwj dej semicircular?
Vim lub peb lub semicircular kwj dej zoo dua, tom qab, thiab kab rov tav-tau muab tso rau ntawm txoj cai kaum rau ib leeg, lawv muaj peev xwm txheeb xyuas kev txav chaw hauv peb -dimensional qhov chaw.
Pom zoo:
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Ntawm txhua sab ntawm pob txha taub hau, pob ntseg hnov pob ntseg nyob hauv ib chav, lub pob ntseg nruab nrab, hauv cov pob txha ntawm lub cev. Peb ossicles txuas cov phab ntsa hauv nruab nrab thiab nruab nrab ntawm pob ntseg nruab nrab thiab xa cov suab tsis zoo los ntawm lub pob ntseg sab nraud mus rau lub suab txais hauv lub pob ntseg sab hauv
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Lawv tau hlua nrog cilia (cov plaub mos mos) thiab ntim nrog cov kua ua kua, hu ua endolymph. Txhua lub sijhawm lub taub hau txav mus, endolymph txav cov cilia. Qhov no ua haujlwm zoo ib yam ntawm cov lus tsa suab sensor, raws li kev txav ntawm cilia tau sib tham rau lub hlwb
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Suab funnels los ntawm pinna mus rau sab nraud auditory kwj dej, ib tug luv luv raj uas xaus ntawm lub pob ntseg (tympanic membrane). Lub suab ua rau lub pob ntseg thiab nws cov pob txha me me nyob hauv nruab nrab ntawm lub pob ntseg kom vibrate, thiab cov kev vibrations tau ua rau cov cochlea ze
Puas muaj otoliths hauv cov kwj dej semicircular?
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Cov kab mob hauv otolith pom muaj kab pheeb ces kaum hauv qab cov kwj dej ib nrab thiab muaj cov haujlwm zoo sib xws: Tseem muaj cov plaub hau nyias nyias hauv ob lub cev. Qhov txawv yog tias, tsis zoo li hauv cov kwj dej ib nrab, muaj cov nplais me me ntawm cov plaub hau - zoo li pebbles ntawm cov ntaub pua plag
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![Dab tsi yog qhov sib txawv ntawm cov pob txha hauv pob ntseg? Dab tsi yog qhov sib txawv ntawm cov pob txha hauv pob ntseg?](https://i.answers-medical.com/preview/medical-health/14101791-what-is-an-air-bone-gap-in-the-ear-j.webp)
Qhov sib txawv ntawm cov txiaj ntsig ntawm kev ntsuas huab cua thiab kuaj cov pob txha yog hu ua huab cua-pob txha sib txawv. Qhov sib txawv ntawm huab cua-pob txha yuav txhais tau tias muaj teeb meem ntawm pob ntseg sab nrauv lossis nruab nrab. Yog tias tsis muaj qhov sib txawv nruab nrab ntawm huab cua thiab kev nqa pob txha qhov no tuaj yeem qhia teeb meem hauv pob ntseg sab hauv (cochlea)