
指甲表面有竖纹怎么回事 有来医生
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甲板在医学上叫甲纵脊,甲纵脊在正常的情况下,甲板竖纹是生理现象。因为甲板要和甲床紧密连接,形成丰富的网状结构,要有一个抓手,紧紧的和这个甲床连接起来,就形成稍微隆起点的这种脊状的结构。指甲表面竖纹主要是生理性原因,但也与年龄相关,如老年人纵脊较为明显些,主要与老年人代谢缓慢、甲床发生萎缩等因素可能有关系。
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