推荐回答(5个)
手指甲周围起皮是缺乏维生素C的表现。维生素C是作用很强的还原剂,在体内被可逆性氧化和还原,因而在细胞内起着氧化还原的作用。它与苯丙氨酸和酪氨酸的代谢有关。作为一种还原剂(和氧,亚铁离子及2-酮酸一起)维生素C可激活使前胶原脯氨酸和赖氨酸羟化为前胶原羟基脯氨酸和羟基赖氨酸的那些酶。有坏血病的动物弹性蛋白羟脯氨酸变得越来越缺乏。维生素C能保护叶酸还原酶,这种酶可使叶酸转变为亚叶酸,并有助于从食物内的叶酸结合物中释出游离叶酸。维生素C可促进铁的吸收。严重缺乏可引起坏血病,这是一种急性或慢性疾病,特征为出血,类骨质及牙本质形成异常。在缺少青菜、水果的北方牧区,或城、乡对人工喂养儿忽视辅食补充,特别在农村边远地区,仍因喂养不当而致发病。
常见发病部位
手指尖
常见病因
缺乏维生素C
常见症状
手指甲周围脱皮
传染性
无传染性
原因
病因:缺乏维生素C。
1.摄入不足如孕母营养适当,小儿出生时有适宜的维生素C储备,脐血血浆维生素C含量比母血浆高2~4倍,故3个月以下婴儿发病较少。但如孕母饮食缺乏维生素C,新生儿也可患坏血病。正常人乳含维生素C约40~70mg/L(4~7mg/dl),可满足一般婴儿的需要。
2.需要增加新陈代谢率增高时,维生素C的需要量增加。生长活跃时,体内组织的维生素C含量锐减。早产儿生长发育较快,维生素C的需要量相对较正常婴儿为大,应予较多补充。
3.其他因素如长期摄入大量维生素C,其分解代谢及肾脏排泄增加以降低血浆维生素C浓度。如突停用大量维生素C,可发生坏血病。孕期长期应用大量维生素C,新生儿即使生后每日摄入常规量的维生素C,仍可能患坏血病。
其实我们每个人的手,就如缩小版的身体一样,每根手指都对应着不同器官的,有仔细去观察的都会发现一些小问题的,比如每根手指的半月痕、疼痛的状态,这些问题都是在提示你身体某些部位出现问题了。还有就是很多人认为手指干燥、脱皮这些都是皮肤的问题,实际上这已经不仅仅是皮肤问题了。
手指甲边上总是脱皮分类(百度得知,有删改)
一、指缘周围脱皮
指甲边缘总有倒刺?这是末端血液循环不通畅的缘故。当指甲根部聚集了众多的微血管,只要体内血液变浓时就很难通过这些细小的微血管,会导致指甲根部的皮肤因血液循环不畅而脱皮或者翻翘。
二、指根的半月数量
指甲半月痕是阴阳经脉界线,是人体精气的代表,所以它也被称为健康圈。如果全部手指加起来有八到十个面积是占指甲五分之一较好。如10个手指甲完全没有或仅仅有一点点半月痕时,说明底子属寒,身体手脚特别怕冷。不得插入一下小编自己也是几乎十个手指甲只有一点点的月半痕,真的是身体手脚都特别怕冷的。
还有一些分类就不一一列出来了,因为很多都是看过的旧知识了。像手指甲周边会出现倒刺、月半痕少、指甲盖出现横纹或者纵纹、指甲发脆、易断,这些症状其实一般都身体缺少了哪些物质导致的。
可能是手机有问题或者是路由器没有连接宽带,也或者是路由器没有连接网线,总之,先检查一下手机可以连接其他WiFi不,再看看路由器正常不,再不行就要去咨询运营商营业厅了
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