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Medical Definition of Ki-67 antigen
1. A cell cycle and tumour growth marker which can be readily detected using immunocytochemistry methods. Ki-67 is a nuclear antigen present only in the nuclei of cycling cells. (12 Dec 1998)
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1. A cell cycle and tumour growth marker which can be readily detected using immunocytochemistry methods. Ki-67 is a nuclear antigen present only in the nuclei of cycling cells. (12 Dec 1998)