immunodiffusion

[ im-yuh-noh-di-fyoo-zhuh n, ih-myoo- ]
/ ˌɪm yə noʊ dɪˈfyu ʒən, ɪˌmyu- /

noun

any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.

Origin of immunodiffusion

First recorded in 1955–60; immuno- + diffusion

Words nearby immunodiffusion

immunodeficiency, immunodeficiency syndrome, immunodepression, immunodiagnosis, immunodiagnostics, immunodiffusion, immunoelectrophoresis, immunoenhancement, immunoenhancer, immunofluorescence, immunofluorescence assay

Medical definitions for immunodiffusion

immunodiffusion
[ ĭm′yə-nō-dĭ-fyōō′zhən, ĭ-myōō′- ]

n.

A technique for studying reactions between antigens and antibodies by observing precipitates formed by the combination of specific antigens and antibodies that have diffused in a gel in which they have been separately placed.