radioligand
noun
ra·dio·li·gand
-ˈlig-ənd, -ˈlīg- 
: a substance (as an antigen) that has been radiolabeled especially for analysis by radioimmunoassay
Cite this Entry
“Radioligand.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/radioligand. Accessed 1 Dec. 2025.
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