Medical Definition of lineage
1: descent in a line from a common progenitor
2: a group of individuals descended from a common ancestor <replication in T cell lineages>
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Dictionary: Definition of "lineage" Thesaurus: All synonyms and antonyms for "lineage" Spanish Central: Translation of "lineage" Nglish: Translation of "lineage" for Spanish speakers Britannica English: Translation of "lineage" for Arabic speakers Britannica.com: Encyclopedia article about "lineage"
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