Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53148#.VLXdc8nQrzE Author(s) Lei Wang 1 , Zaizhong Chen 1 , Caixia Hu 1 , Feng Yan 2 , Jun Xu 2 , Xuehua Wang 2 , Yuanyuan Zhou 2 , Wei Wang 2 , Weihua Zhao 2 Affiliation(s) 1 College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai, China . 2 Shanghai Pudong Ornamental Fish Center, Shanghai, China . ABSTRACT The sarcoma structure of goldfish was first analyzed by frozen section technique. The present study revealed the alkaline and acid phosphatase distribution in the head sarcoma of goldfish. And the histochemical staining in situ by calcium-cobalt method and lead nitrate method displayed a large amount of alkaline and acid phosphatases in the head sarcoma, with higher enzyme activity. The alkaline and acid phosphatases belong to hydrolases, which are widely present in various tissues. The results showed that the activity of ext...
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