Kumva ndi cochlea
Zamkati
Sewerani kanema wathanzi: //medlineplus.gov/ency/videos/mov/200057_eng.mp4Kodi ichi ndi chiani? Sewerani kanema wathanzi ndimafotokozedwe amawu:Chidule
Mafunde akumveka olowa khutu amayenda kudzera mu ngalande yakunja yomenya asanakanthe eardrum ndikupangitsa kuti igwedezeke.
Phokoso la khutu limalumikizidwa ndi malleus, limodzi mwamafupa atatu ang'ono apakatikati. Imatchedwanso nyundo, imatumiza mawu akumveka ku incus, yomwe imawadutsitsa pamtengo. Mitengoyo imakankhira mkati ndi kunja motsutsana ndi nyumba yotchedwa wval oval. Izi zimadutsa pa cochlea, kapangidwe kokhala ngati nkhono kamene kamakhala ndi chiwalo cha Corti, chiwalo chomvera. Amakhala ndi timaselo ting'onoting'ono taubweya tomwe timayandikana. Maselowa amatanthauzira kugwedezeka kukhala zikoka zamagetsi zomwe zimafikitsidwa kuubongo ndimitsempha yam'mimba.
Mukudulira uku, mutha kuwona limba la Corti ndi mizere inayi yamaselo atsitsi. Pali mzere wamkati kumanzere ndi mizere itatu yakunja kumanja.
Tiyeni tiwone njirayi ikugwira ntchito.Poyamba, masitepe agwedezeka pazenera lozungulira. Izi zimatumiza mafunde kudzera mumadzimadzi otentha, kutumiza chiwalo cha Corti kuti chiziyenda.
Mitambo yomwe ili kumapeto kwenikweni kwa chimbalangondo imamvekanso kuti ichepetse mawu. Omwe ali pafupi ndi zenera la oval amayankha pafupipafupi.
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