radioimmunoassay

radioimmunoassay definition - medical

ra·di·o·im·mu·no·as·say (rāˌdē-ō-ĭmˌyə-nō-ăsˈā, -ĭ-myo͞oˌ-)

noun Abbr. RIA
The immunoassay of a substance, such as a hormone or an enzyme that has been radiolabeled.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.