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Medical Definition of Transmembrane transducer
1. A system that transmits a chemical or electrical signal across a membrane. Usually involves a transmembrane receptor protein that is thought to undergo a conformation change that is expressed on the inner surface of the membrane. Many such transducing species are dimeric and the conformation change may involve interaction between the two components. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)