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second messenger |
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messenger /mes·sen·ger/ (mes´en-jer) an information carrier. second messenger any of several classes of intracellular signals acting at or situated within the plasma membrane and translating electrical or chemical messages from the environment into cellular responses. second messenger, a chemical substance inside a cell that carries information farther along the signal pathway from the internal part of a membrane-spanning receptor embedded in the cell membrane. It may be in the form of an enzyme's product or ion fluxes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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second cuneiform bone second cuts second cutting second disease phenomenon second filial generation second heart sound second impact syndrome second messenger second messengers second molar second opinion second prescription second sight Second Skin second stage of labor |
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