| lineage | <genetics> Term used to describe cells with a common ancestry, that is developing from the same type of identifiable immature cell. (04 Mar 1998) |
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| cell lineage | <cell culture, embryology> The lineage of a cell relates to its derivation from the undifferentiated tissues of the embryo. Committed embryonic progenitors give rise to a range of differentiated cells: in principle it should be possible to trace the ancestry lineage) of any adult cell. (26 Mar 1998) |
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