Medical Dictionary

radioreceptor assay

noun ra·dio·re·cep·tor assay \-ri-ˈsep-tər-\

Medical Definition of RADIORECEPTOR ASSAY

:  an assay for a substance and especially a hormone in which a mixture of the test sample and a known amount of the radiolabeled substance under test is exposed to a measured quantity of receptors for the substance and the amount in the test sample is determined from the proportion of receptors occupied by radiolabeled molecules of the substance under the assumption that labeled and unlabeled molecules bind to the receptor sites at random

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears