附加体，游离体某些细胞的遗传粒子，尤其是细菌细胞，能够自动存在于胞质中或成为染色体的一部分。
A genetic particle of certain cells, especially bacterial cells, that can exist either autonomously in the cytoplasm or as part of a chromosome.
目的用染色体畸变试验和胞质阻断微核试验来评价职业性接触抗癌药物的护士的遗传毒性危险性。
Objective to evaluate their genotoxic risk in nurses occupationally exposed to antineoplastic drugs with chromosomal aberration test and cytokinesis-block micronucleus (CBMN) test.
目的用染色体畸变试验和胞质阻断微核试验来评价职业性接触抗癌药物的护士的遗传毒性危险性。
Objective to evaluate their genotoxic risk in nurses occupationally exposed to antineoplastic drugs with chromosomal aberration test and cytokinesis-block micronucleus (CBMN) test.
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