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疥疮是由疥虫寄生在人体皮肤表层内所引起的慢性传染性皮肤病。疥虫属蛛形纲螨目,故又称疥螨。寄生人体上的人型疥螨,寄生在牛、羊、马、猪、狗、猫、兔、骆驼身上的动物螨,也可传染给人。 该病分布很广,世界各国都有。解放后疥疮在我国已曾被消灭,近十几年在我国又广泛流行。 疥虫大小约0.2～0.4mm,体小呈圆形或椭圆形,黄白色,有4对足。雄虫体小,只寄生于皮肤表面,夜间雄虫与雌虫在体表交配后不久即死。雌虫在隧道内产卵,边排卵边前进。每一卵经孵化为幼虫,再生长为成虫约需7～10天,疥螨离开人体可存活2～3天。
Scabies is a chronic contagious skin disease caused by pinworm parasites in the human skin surface. Eupolyphaga arachnids, it is also known as scabies mites. Spider mite parasitic human body, parasitic in cattle, sheep, horses, pigs, dogs, cats, rabbits, camel body animals mites, but also can be transmitted to humans. The disease is widely distributed in all countries in the world. After the liberation of scabies has been eliminated in our country, nearly a decade in our country has become widespread. Pinworm size of about 0.2 ~ 0.4mm, body was round or oval, yellow-white, 4 pairs of feet. Male mice small, parasitic on the skin surface only, night males and females soon after mating in the body surface to die. The female spawns in the tunnel and advances while ovulating. Each egg is hatched larvae, and then grow into adults about 7 to 10 days, scabies mites leave the human body can survive for 2 to 3 days.