part of part_of part of part_of derives_from derives from derives_from immortal epithelial cell line cell immortal epithelial cell line cell 永生的上皮细胞系细胞 immortal human cell line cell immortal human cell line cell 永生的人细胞系细胞 immortal human epithelial cell line cell immortal human epithelial cell line cell 永生的人上皮细胞系细胞 An immortal epithelial cell line cell that derives from human. Yue Liu, Yongqun He An immortal epithelial cell line cell that derives from human. Yue Liu, Yongqun He 源自人的永生上皮细胞系细胞。 Homo sapiens Homo sapiens 人类