Ji da cochlea
Wadatacce
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Sautin raƙuman ruwa da ke shiga kunne suna tafiya ta cikin mashigar jiyya ta waje kafin bugun kunnen ya haifar da jijjiga.
Thean kunne yana haɗe da malleus, ɗayan ƙananan ƙasusuwa uku na tsakiyar kunne. Hakanan ana kiranta guduma, yana watsa sautin jijiyar sauti zuwa ga abin da ke motsawa, wanda ke ba da su zuwa ga matakan. Stungiyoyin suna turawa ciki da waje akan wani tsari da ake kira m taga. Wannan aikin an wuce shi zuwa ga cochlea, tsari mai kama da ruwa wanda yake dauke da gabobin Corti, gabar ji. Ya ƙunshi ƙananan ƙwayoyin gashi waɗanda suke layi da cochlea. Waɗannan ƙwayoyin suna fassara jijjiga cikin motsawar wutar lantarki waɗanda jijiyoyin azanci ke ɗaukarwa zuwa kwakwalwa.
A wannan tsinkayen, zaku iya ganin kwayar Corti tare da layuka huɗu na ƙwayoyin gashi. Akwai layi na ciki a gefen hagu da layuka na waje uku a dama.
Bari mu kalli wannan aikin cikin aiki. Na farko, dutsen ya faɗi a kan taga oval. Wannan yana watsa raƙuman sauti ta cikin ruwan cochlear, yana aika gabobin Corti zuwa motsi.
Fibers da ke kusa da ƙarshen ƙarshen cochlea suna sake sauti zuwa ƙananan sauti na mitoci. Waɗanda suke kusa da taga oval suna ba da amsa ga mitocin mafi girma.
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