![Lub pob ntseg sab nrauv ua dab tsi? Lub pob ntseg sab nrauv ua dab tsi?](https://i.answers-medical.com/preview/medical-health/13919650-what-does-the-outer-ear-do-j.webp)
Video: Lub pob ntseg sab nrauv ua dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov pob ntseg sab nrauv , pob ntseg sab nrauv , los yog auris externa yog sab nrauv qhov ntawm pob ntseg , uas suav nrog auricle (tseem pinna) thiab pob ntseg kwj dej. Nws sib sau ua suab zog thiab tsom mus rau lub pob ntseg (tympanic membrane).
Hauv qhov no, txoj haujlwm ntawm pob ntseg sab nraud yog dab tsi?
Cov ua haujlwm ntawm pob ntseg sab nraud yog los sau cov suab nthwv dej thiab coj lawv mus rau daim tawv nqaij tympanic. Nruab nrab pob ntseg yog qhov nqaim cua uas muaj cov kab noj hniav nyob rau hauv lub cev pob txha.
Ib qho ntxiv, lub pob ntseg sab nraud hu li cas? Cov pob ntseg muaj sab nrauv , ntu nruab nrab, thiab sab hauv. Cov pob ntseg sab nrauv yog hu ua tus pinna thiab yog ua los ntawm cov pob txha mos uas npog los ntawm daim tawv nqaij. Suab funnels los ntawm tus pinna rau hauv sab nrauv hnov pob ntseg, ib lub raj luv uas xaus rau ntawm pob ntseg (tympanic membrane).
Tsis tas li ntawd, lub cev pob ntseg sab nraud yog dab tsi?
Lub sijhawm kho mob rau pob ntseg sab nraud yog auricle cov lub pinna. Lub pob ntseg sab nraud yog ua los ntawm pob txha mos thiab tawv nqaij . Muaj peb ntu sib txawv rau lub pob ntseg sab nraud; tragus, helix thiab lub lobule. Cov pob ntseg pob ntseg pib ntawm lub pob ntseg sab nrauv thiab xaus rau ntawm lub pob ntseg nruas.
Puas yog pob ntseg sab nraud muaj pob txha?
Cov pob ntseg sab nrauv suav nrog pinna thiab sab nrauv auditory meatus, cov pob ntseg kwj dej. Cov cua nruab nrab pob ntseg muaj peb qhov me me pob txha , cov ossicles (malleus, incus, thiab stapes), uas xa cov kev co ntawm tympanic membrane mus rau sab hauv pob ntseg.
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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Qhov ua rau lub mloog pob ntseg tsis tuaj yeem tsis muaj qhov paub tsis meej, qhov tsis muaj peev xwm tuaj yeem kho tau, tsis pom zoo li 'tsis cuam tshuam' kev ua haujlwm zoo li lub cev muaj zog, vestibular, lossis ua qhov muag pom, tuaj yeem ua rau lag ntseg tas mus li, hnov lus tsis meej thiab lwm yam. case hauv paus yam
Cov plaub hau sab nrauv ua dab tsi hauv pob ntseg?
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Tib neeg cochlea muaj nyob rau ntawm qhov kev txiav txim ntawm 3,500 puab cov plaub hau thiab 12,000 cov plaub hau txheej thaum yug. Cov plaub hau sab nraud tshuab ua kom nrov suab qis uas nkag mus rau hauv cochlea. Kev txhawb zog tuaj yeem siv zog los ntawm kev txav ntawm lawv cov plaub hau, lossis los ntawm kev siv hluav taws xob uas muaj zog ntawm lawv lub cev ntawm tes
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Lub pob ntseg kwj dej - lub kwj dej auditory Thaum lub suab tsis dhau lub pinna, lawv txav mus rau ob mus rau peb centimeters mus rau hauv lub kwj dej ua ntej ntaus pob ntseg, los yog hu ua tympanic membrane. Kev ua haujlwm ntawm pob ntseg pob ntseg yog xa suab los ntawm tus pinna mus rau pob ntseg
Lub pob ntseg sab nrauv hu li cas?
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Lub pob ntseg muaj sab nraud, nruab nrab, thiab sab hauv. Lub pob ntseg sab nrauv hu ua pinna thiab tau ua los ntawm cov pob txha mos uas npog los ntawm daim tawv nqaij. Lub suab lom zem dhau los ntawm tus pinna rau hauv lub qhov hnov pob ntseg sab nraud, lub raj luv uas xaus rau ntawm pob ntseg (tympanic membrane)