推荐回答(3个)
耳屎,或叫耳垢,医学名称叫耵聍(dingning)。它是耳朵里的耵聍腺所分泌出来的油样、水样物质,混和着耳内脱落下来的死细腻组成的。许多人把它看作肮脏讨厌东西,总喜欢用各种方法把它作“请”出耳朵。其实,耵聍是有益于耳朵的。第一,它潮湿而带有粘性,能够粘住进入耳内的尘埃、病菌。由于耳屎上有层“酸膜”,病菌无法在上面生长。第二,它有一种特殊的苦味,可使小虫子望而生畏,不敢轻易到耳道去捣乱。第三,能够防水,可保持耳道干燥。第四,可缓冲强力的气浪、声波对鼓膜的冲击作用。
1,你这种情况常见于耳道的耵聍,外耳道软骨部皮肤分部一种腺体叫做耵聍腺,分泌淡黄色粘稠液体,称耵聍.这种物质有的遇空气干燥后呈薄片状,有的如粘稠的油脂.若耵聍逐渐凝聚成团,阻塞外耳道,称耵聍栓塞,
2,耵聍栓塞会有一下各种症状:听力下降与外耳道分泌物堵塞有关,分泌物多呈棕色,质硬,也有的软如枣泥状;完全堵塞后出现耳闷,耳鸣,听力下降;若水进入外耳道后,症状可加重,常有耳痛.
3,多需要在医生操作下取出,切莫自行掏挖耳道的耵聍,容易导致耳道炎.
有多少人是每天清理耳屎的啊!告诉你,常清理耳屎,还会影响听力!
掏耳朵是很多人的习惯,可以说掏耳朵相当于按摩,因为它会给人一种舒服的感觉。但是在专家看来,掏耳朵这样的小动作,其实存在一定的风险,如果没有必要,还是不要掏的好。
耳屎是保护耳朵的防线
我们平常所说的耳屎又叫耵聍(dīng
níng),它是外耳道软骨部皮肤的耵聍腺所排出的淡黄色黏稠的分泌物。它是一种酸性物质,和耳道壁上的耳毛一起,能抵御外部的细菌侵袭。如果经常掏耳朵,耳屎就会减少,耳朵的防线就会减少,给细菌制造了有利条件,耳朵很容易出现炎症,严重的还会导致听力下降。
耳屎具有自排功能
其实耳屎不用掏的,它会通过咀嚼、张口等运动自行排出。如果你一味去掏,不仅掏不出耳屎,还会将它们往里推,难以排出。所以,在正常情况下,一般不要掏耳朵,如果耳朵不小心进水,直接用棉签在耳朵周围擦拭一下即可。
(耳屎多是怎么回事?耳朵还是脏点好)
那空间耳屎是怎么排出的呢?
沙克尔·赛德(Shakeel Saeed)教授对此做了实验,他放一个小墨点在鼓膜上,经过几周后观察,会发生它出现位移,这主要是通过耳道内细胞的运动而实现的。试想下,如果耳道细胞不会位移,那么小小耳道在很短的时间就会被分泌物堵死,人就会失去听觉。然而事实上,我们的听力都是正常的,这也再次说明,当我们在进行吃东西、聊天等下巴运动时,耳道也跟着运动,从而把耳屎排出去。
耳屎会越掏越多
此外,常掏耳朵还会使外耳道皮肤角质层肿胀,阻塞毛囊,反而促进细菌生长,导致耳道奇痒、流黄水,并且使外耳道皮肤长期慢性充血,还容易刺激耵聍腺分泌,耳屎反而会更多。
综上所述,耳屎还是不要掏的好。但是还有另外一种情况,有些人的耵聍腺分泌特别旺盛,而耳屎又排不出来,逐渐风干并聚集成深褐色硬块,这在医学上叫耵聍栓塞。出现这种症状后耳朵会有不适感,一旦进水,还会引起耳闷和听力减退,这时一定要尽快就医,以免引发耳道炎症。
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