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1.
Dr. Pernille Møller Graabæk 《Cell and tissue research》1985,239(2):293-298
Summary The lysosomal system of the two types of synoviocytes (A and S) from the knee joint of normal rat synovial membrane was studied by electron-microscopic acid phosphatase cytochemistry. In random sections of the synovial intima lysosomes were more often encountered in the A-cell profiles than in the S-cell profiles. Characteristically, type-A synoviocytes showed many large and medium-sized lysosomes the cytochemical appearance of which varied considerably. No acid phosphatase activity was detectable in the cisternae of the Golgi apparatus or in the Golgi vesicles. In type-S synoviocytes the lysosomes were smaller, and more uniform in cytochemical appearance. Heavy deposits of acid phosphatase reaction product were constantly demonstrated in cisternae of the Golgi apparatus as well as in smooth-walled Golgi vesicles in type-S cells. The findings that type-A and type-S synoviocytes show distinctly different organization of the lysosomal system indicate that the roles of the lysosomes in these two types of cells may be different. 相似文献
2.
桡足类消化酶活力的影响因子 总被引:6,自引:1,他引:6
桡足类消化酶活力的影响因子汤鸿,李少菁(厦门大学海洋系,361005)FactorsInflueucingtheDigestiveEnzymeActivityofCopepods.¥TangHong;LiShaoching(O-ceanologyDe... 相似文献
3.
The biology of mycorrhiza in the Ericaceae 总被引:3,自引:3,他引:0