Structured Summary
Abstract
Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a hormone or neurotransmitter. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-cyclic AMP system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the cyclic GMP system.
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Synonyms
12 entry terms
- Intracellular Second Messengers
- Intracellular Second Messenger
- Messengers, Intracellular Second
- Second Messenger System
- Second Messenger, Intracellular
- Second Messengers, Intracellular
- System, Second Messenger
- Systems, Second Messenger
- Second Messengers
- Messenger, Second
- Messengers, Second
- Second Messenger
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Aspects Covered
6 allowable subheadings
Indexed with the subheadings drug effects, ethics, genetics, immunology, physiology, radiation effects.
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Indexing Annotation
a metab concept; IM; coord with substance acting as the second messenger (IM) with /physiol or /antag as applicable
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History Note
89
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NLM Classification
QU 120
AMA Style
References
- National Library of Medicine. Second Messenger Systems. Medical Subject Headings (MeSH). 2026. Unique ID D015290. http://id.nlm.nih.gov/mesh/2026/D015290
- Second Messenger Systems. In: Wikipedia. https://en.wikipedia.org/wiki/Second_messenger_system
- Second Messenger Systems. In: Wikidata. https://www.wikidata.org/wiki/Q899814