Skip to Content
Medical Term:


Pronunciation: strep'ta-vi'din


A bacterial protein used as a probe in immunologic assays because of its strong affinity and specificity for biotin; streptavidin is used as a bridge to link a chromogen to a biotinylated substrate specific for the substance of interest.

[streptococcus + avidin]

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