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Pronunciation: plaz'mid

Definition: A genetic particle physically separate from the chromosome of the host cell (chiefly bacterial) that can function and replicate stably and usually confer some advantage to the host cell; not essential to the cell's basic functioning.

Synonym(s): extrachromosomal element, extrachromosomal genetic element, paragene

[cytoplasm + -id]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.