Medical term:
signal
sig·nal
(sig'năl),1. Something that causes an action or conveys information.
2. A DNA template sequence that alters RNA polymerase transcription.
3. The end product observed when a specific sequence of DNA or RNA is deleted by some method.
4. The message transmitted on binding of an agonist to a receptor.
Farlex Partner Medical Dictionary © Farlex 2012
signal
(sĭg′nəl)n.
Biology A physical entity, such as a chemical or an electromagnetic wave, that activates a cell receptor and elicits a specific response.
v. sig·naled, sig·naling, sig·nals or sig·nalled or sig·nalling
v.tr.
To cause an effect in (a cell) by the activation of a receptor, as by a neurotransmitter or hormone.
sig′nal·er, sig′nal·ler n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
signal
A measurable or recognisable indicator of an event or process.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
signal
Medtalk A measurable or recognizable indicator of an event or process. See Magnetic resonance signal, Sexual body signal.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
sig·nal
(sig'năl)1. Something that causes an action.
2. A DNA template sequence that alters RNA polymerase transcription.
3. The end product observed when a specific sequence of DNA or RNA is deleted by some method.
4. Anything or action that communicates something.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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