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蠕形螨是人和动物体上一种小型永久性寄生螨类.寄生人体的有两种,一种称毛囊蠕形螨(Demodex folliculorum),寄生于毛囊底部.另一种称脂蠕形螨(Demodex brevis),多寄生于皮脂腺内.一般感染者多无特异症状,严重感染时可引起蠕形螨病.在国外早已引起医学界的注意,关于蠕形螨的流行病学,病理学都有过报导,在皮肤科更为重视,他们认为蠕形螨与某些皮肤病有密切的关系,甚至肯定为皮肤病的病原之一.
Demodex is a small permanent parasitic mites on human and animal body, there are two kinds of parasitic human body, one called Demodex folliculorum, parasitic on the bottom of the hair follicle.Other species called Demodex (Demodex brevis), parasitic in the sebaceous glands.In general, there are no specific symptoms of infection, severe infection can cause detroric disease .In foreign countries have drawn the attention of the medical profession, on the demodex epidemiology, pathology It has been reported in dermatology more attention, they believe that Demodex and some skin diseases are closely related, and even certainly one of the pathogens of the skin disease.