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(詳細は-phil-, meaning ''loves eosin'') refers to the staining of certain tissues, cells, or organelles after they have been washed with eosin, a dye. Eosin is an acidic dye; thus, the structure being stained is basic and as a corollary, is acidophilic. Eosinophilic describes the appearance of cells and structures seen in histological sections that take up the staining dye eosin. This is a bright-pink dye that stains the cytoplasm of cells, as well as extracellular proteins such as collagen.〔(About Eosinophilic Disorders ). Children's Hospital of Philadelphia. Accessed March 2nd, 2012〕 Such eosinophilic structures are, in general, composed of protein. The stain eosin is usually combined with a stain called hematoxylin to produce a hematoxylin- and eosin-stained section (also called an H&E stain, HE or H+E section). This is the most widely used histological stain in medical diagnosis; for example, when a pathologist examines a biopsy of a suspected cancer, the biopsy will have been stained with H&E. Some structures seen inside cells are described as being eosinophilic, for example, Lewy bodies, Mallory bodies.〔(Eosinophilic ). Medline Plus. Accessed March 2nd, 2012.〕 Some cells are also described as eosinophilic, such as Leukocytes. ==See also== * Basophilic (affinity to hematoxylin) * Eosinophilia * Eosinophilic Meningitis 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「eosinophilic」の詳細全文を読む スポンサード リンク
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