[im-yuh-noh-tok-sin, ih-myoo-]
noun Immunology.
a monoclonal antibody linked to a toxin with the intention of destroying a specific target cell while leaving adjacent cells intact.

immuno- + toxin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

immunotoxin im·mu·no·tox·in (ĭm'yə-nō-tŏk'sĭn, ĭ-myōō'-)
A hybrid molecule formed by binding a toxin to a monoclonal antibody, used to destroy tumor cells.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
High shed antigen inactivates immunotoxin by acting as a decoy receptor, effectively neutralizing its activity.
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