Sensory receptor cells of the mammalian cochlea are morphologically and functionally dichotomized.

哺乳動物耳蝸的外茸毛細(xì)胞起局部放大器的作用国产人在线成免费视频麻豆，使耳朵具有高靈敏度和頻率選擇性国产拍一区。

The experimental group underwent an incision inferior to the pinna, and the cochleas were destoried with a drill through the bulla bilaterally. The control group underwent only an incision without cochlea ablation.

實(shí)驗(yàn)組采用耳后徑路開放聽泡人人草人人草.COM，用微型鉆在耳蝸表面鉆孔損毀雙側(cè)耳蝸結(jié)構(gòu)；對照組僅做耳后切口不破壞耳蝸結(jié)構(gòu)狼友射射射。

Results In three Hank's solution infused cochleas, the thresholds of IC potential were kept in the normal level and no hair cell loss was found 14 days after the beginning of the infusion, suggested that the pump implantation and Hank's solution infusion had no significant effects on the cochlear functions. In contrast, threshold shifts of IC potentials and hair cell loss were found in two BSO infused animals, suggested that the infused solution had distributed into the whole cochlea.

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Methods Ten mature Wistar rats were divided into normal control group (5 rats) and adenovirus (E1, E3-Deleted and carried math1 and enhanced green fluorescent protein report gene, Ad-Math1-EGFP) scala vestibuli transfer group (5 rats). Right ears of the Ad-Math1-EGFP transfering group rats were deliveried 5μl Ad-Math1-EGFP (physical tite 2.1×10^11v.p./ml) into cochleas through the way of drilling scala vestibuli of cochlear basal turn. As a control, the normal group received nothing to inner ear. In order to estimate functional condition of vestibule and cochlea, the click-evoked potentials on the surface of the cervical dura mater, auditory brain stem response and swimming time were recorded in all rats at 7 days after treatment, and then histologic and morphologic observation were carried out after animals were sacrificed. Results All animals' morphologic observation showed that inner ear hair cells were normal after transfer.

將10只成年Wistar大鼠分為正常對照組和缺失E1、E3基因片段且構(gòu)建有Math1基因和綠色熒光蛋白報(bào)告基因的復(fù)制缺陷型腺病毒(adenovirus-Math1-enhanced green fluorescence protein国产精品免费-区二区三区， Ad-Math1-EGFP)前庭階導(dǎo)入組无码的免费A级毛片视频，每組5只，實(shí)驗(yàn)組大鼠在右耳通過耳蝸底回前庭階打孔的方法導(dǎo)入物理滴度為2.1×10^11v.p/ml的上述腺病毒5μl亚洲天堂AV网站，對照組大鼠不做任何處理久久精品毛片。7天后對動物進(jìn)行頸髓硬膜外短聲誘發(fā)電位(click-evoked potentials on the surface of the cervical dura mater， CDM-CEP)操逼欧美黄色、聽性腦干反應(yīng)閾值檢測和游泳試驗(yàn)黄片在线欧美，評價(jià)前庭和耳蝸功能，然后將動物處死進(jìn)行組織形態(tài)學(xué)觀察91系列在线观看免费。

Sensitized systematically with keyhole limpet hemocyanin, the animals were inoculated with the same antigen through cochlea basal turn into the labyrinth.

材料與方法選健康成年雌性SD大鼠 2 0只(購于同濟(jì)醫(yī)科大學(xué)實(shí)驗(yàn)中心動物學(xué)部)精品在线电影，體重 180～ 2 0 0g ，分為健康對照組(n =5)和實(shí)驗(yàn)組(n =15)欧美啪啪小视频。

Methods Fifteen healthy, female SD rats were employed in the experiment. Sensitized systematically with keyhole limpet hemocyanin, the animals were inoculated with the same antigen through cochlea basal turn into the labyrinth. Adminstrated 5-bromo-2′-deoxyuridine intraperitoneally, the rats were sacrificed and the temporal bones were harvested at 3, 7,14 day after labyrinth vaccination respectively. The frozen sections of the decalcified samples were dealt with H-E staining and immunohistohemical methods to investigate the cellular infiltration, BrdUrd and IgG positive cells in the ES.

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The major HRCT findings were presented with soft tissue mass in 89 middle ears(100%),the destruction of temporal bone including enlargment of the tympanic cavity 89 ears(100%),tympano scutum 55 ears(61.80%),ossicular chain 82 ears(92.13%),facial nerve cannal 54 ears(60.67%),semicircular canal 18 ears(20.22%),external auditory canal 10 ears(11.24%),tympanic tegmen 15 ears(16.85%),vestibular 1 ear(1.12%),cochlea 1 ear(1.12%) and sigmoid sinus plate 7 ears(7.86%).

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Ito,et al reported that many surviving transplanted-NSCs migrate to reach cochlear hair cell on 28th day after transplanted into the cochlea of newborn rat,some of them took on the identical morphology of inner or outer hair cells and expressed Phalloidin.

Ito等實(shí)驗(yàn)表明大鼠海馬來源的神經(jīng)干細(xì)胞(neural stem cells狼友视屏在线，NSCs)移植入新生(P0，P2)大鼠內(nèi)耳后4周久久精品国产品国产精，部分存活的NSCs遷移至耳蝸毛細(xì)胞表面国产白白视频在线观看，形態(tài)上與內(nèi)、外毛細(xì)胞相似自拍偷拍28，并表達(dá)毛細(xì)胞標(biāo)志物Phalloidin免费看的黄色网站在线观看。

When sound waves enter the cochlea,which is really a tube coiled around,they set a membrane into a back and forth motion and cause a new wave.

當(dāng)聲波進(jìn)入耳蝸這條盤旋的管道，它令薄膜前后移動并且產(chǎn)生新的波動欧美xxxx18。

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