The process of macrophage aggregation(MA) and histological changes were investigated and compared in the thymus, prorephros, spleen, liver and kidney of grass carp ?(Ctenopharyngodon idellus)? by intraperitoneal injection Indian ink at different time.
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- 給草魚(yú)腹腔注射細微炭粒（墨汁）后不同時(shí)間取樣，比較觀(guān)察了草魚(yú)胸腺、肝、脾、頭腎和腎組織中巨噬細胞集結（m acrophage aggregation ， M A）狀況及相應組織的變化。
