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antigen
has definitions from the fields of medicine,immunology,pharmacology
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[ noun ] (medicine,immunology,pharmacology) any substance (as a toxin or enzyme) that stimulates the production of antibodies
Used in print (A. N. Nagaraj and L. M. Black, "Localization of...)However , the nonspecific staining by the * * f in tumor sections was considered bright enough to be confused with the staining of small amounts of WTV antigen . The specificity of staining in WTV tumors with * * f and * * f but not with NS and * * f or with antiserum to potato_yellow-dwarf_virus and * * f , and the absence of such staining in crown_gall tumor tissue from sweet-clover , indicate that an antigen of WTV was being stained . Results of specific staining by the direct and the indirect methods were similar and showed the localization of WTV antigen in certain tissues of tumors . The virus antigen was concentrated in the pseudophloem tissue . Within the pseudophloem cells the distribution of WTV antigen was irregular in the cytoplasm . Related terms substance immunogen rhesus_factor toxin fetoprotein anatoxin agglutinogen |
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