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肺泡内巨噬细胞含铁血黄素沉着

肺泡内巨噬细胞含铁血黄素沉着

图示:肺泡内巨噬细胞含铁血黄素沉着(呈褐色粗糙颗粒)。是红细胞血红蛋白降解后所产生和释放的。巨噬细胞能吞噬清除这种碎片,并使之得以循环利用。

The brown coarsely granular material in macrophages in this alveolus is hemosiderin that has accumulated as a result of the breakdown of RBC's and release of the iron in heme. The macrophages clear up this debris, which is eventually recycled.


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