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Acariasis is an infestation with mites. ==Terminology== There are several complications with the terminology: Acariasis is a term for a rash, caused by mites, sometimes with a papillae (pruritic dermatitis), and usually accompanied by severe itching sensations. An example of such an infection is scabies. The closely related term, mange, is commonly used with domestic animals (pets) and also livestock and wild mammals, whenever hair-loss is involved. ''Sarcoptes'' and ''Demodex'' species are involved in mange, but both of these genera are also involved in human skin diseases (by convention only, not called mange). ''Sarcoptes'' in humans is especially severe symptomatically, and causes the condition scabies noted above. Another genus of mite which causing itching but rarely causes hair loss because it burrows only at the kerratin level, is ''Cheyletiella.'' Various species of this genus of mite also affect a wide variety of mammals, including humans. Mite infestation sometimes implies an ectoparasitic, cutaneous condition such as dermatitis. However, it is possible for mites to invade the gasrointestinal and urinary tracts. MeSH uses the term "Mite Infestations" as pertaining to Acariformes. However, mites not in this grouping can be associated with human disease. (See "Classification", below.) The term Acari refers to ticks and mites together, which can cause ambiguity. (Mites are a paraphyletic grouping). Mites can be associated with disease in at least three different ways: (1) cutaneous dermatitis, (2) production of allergin, and (3) as a vector for parasitic diseases. The language used to describe mite infestation often does not distinguish among these. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「acariasis」の詳細全文を読む スポンサード リンク
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