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cyclic AMP

adenylate cyclase

hormone

G protein

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second messenger


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An organic molecule that acts within a cell to initiate the response to a signal carried by a chemical messenger (e.g. a hormone) that does not itself enter the cell. Examples of second messengers are inositol triphosphate and cyclic AMP.

Subjects: Science and technology

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Reference entries
second messenger n.
in A Dictionary of Nursing (5) Length: 43 words
second messenger
in Concise Medical Dictionary (8) Length: 42 words
second messenger
in A Dictionary of Biology (6) Length: 99 words
second messenger
in The Oxford Dictionary of Sports Science & Medicine (3) Length: 33 words

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