天气预报 > 生活 > 螨虫多大
螨虫多大
更新时间: 2021-12-02 06:28:50  

一般在0.5毫米左右,有的甚至更小不到0.1毫米,螨虫和蜘蛛类似,成虫有四对足,一对触须。身体不分头,胸等三部分,而是合为一体,这一特点有别于其他昆虫。前端有口器,螨虫是导致人患有皮肤病的一大杀手。

最常见的螨虫病有耳螨、疥螨和蠕形螨病。耳螨是寄生在耳道内的一种螨虫,常会导致局部搔痒、摇耳、肉眼可见耳道内有褐色分泌物,用外用杀螨止痒剂经1—2周可治愈。疥螨寄生在表皮中,可引起剧痒,皮肤表面潮红、有疹状小结、皮肤增厚、有结痂,通常因经常抓破引起缺毛。蠕形螨通常寄生于皮脂腺和毛囊中。一般以颜面部、四肢及腋下多见,患部皮肤发红,有散在红疹,感染后可形成脓庖,多有体臭。

关键词:

螨虫多大相关经验

天气预报

最新推荐

页面:/news/view-1217616/ | 耗时:0.3222 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1217616 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1217616 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1217616 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1119972,84534,2935709,2041409,733613,80932,84094,1129583,1042797,498546,84777,3299533,1226628,1117099,1123327,1124263,576407,862667,2340183,509724,1129371,81765,858094,82778,2897475,839878,3486575,1464874,82662,95955) ORDER BY field (ArticleID,1119972,84534,2935709,2041409,733613,80932,84094,1129583,1042797,498546,84777,3299533,1226628,1117099,1123327,1124263,576407,862667,2340183,509724,1129371,81765,858094,82778,2897475,839878,3486575,1464874,82662,95955)