immunodiffusion

immunodiffusion

[im-yuh-noh-di-fyoo-zhuhn, ih-myoo-]
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:
1955–60; immuno- + diffusion

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American Heritage
Medical Dictionary

immunodiffusion im·mu·no·dif·fu·sion (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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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