探索人体毛囊蠕形螨和皮脂蠕形螨DNA的提取方法。

To explore the extraction methods of genomic DNA of parasitic mites Demodex folliculorum (D. f. ) and Demodex brevis (D. b. ).

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人体蠕形螨是专性寄生在人体毛囊和皮脂腺的一种永久性寄生螨，以面部为主。

Human Demodex is a permanent parasitic mite that is obligatorily harbors in hair follicles and in pilosebaceous glands of human skin, especially human facial skin.

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毛囊虫皮肤病是由犬蠕形螨引起的，症状包括脱毛、红斑和鳞屑，不能传染人。

Signs include hair loss, redness, and scaling, and is not contagious to humans. Sarcoptic mange is caused by Sarcoptes scabiei canis.

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