Skip to Content
Medical Term:


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]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.