is_specified_output_of derives from derives from cell line cell cell line cell 细胞系细胞 一个培养细胞，它是一个细胞株（一个稳定的，同质的细胞群，具有共同的生物学起源和增殖史）的一部分 A cultured cell that is part of a cell line - a stable and homogeneous population of cells with a common biological origin and propagation history in culture A cultured cell that is part of a cell line - a stable and homogeneous population of cells with a common biological origin and propagation history in culture cell line cell cell line cell 一个培养细胞，它是一个细胞株（一个稳定的，同质的细胞群，具有共同的生物学起源和增殖史）的一部分 细胞系细胞 secondary cultured cell establishing cell line