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环核苷酸特别是cAMP在神经体液传递信息过程中起“第二信使”作用。这些物质的合成和分解受植物神经系统以及多种激素的调节。虽然它们是在细胞内发生作用,但实验资料提示:细胞外cAMP、cGMP的含量可作为反映植物神经功能的指标。感染性休
Cyclic nucleotides, particularly cAMP, play a “second messenger” role in the transmission of neuronal humoral messages. The synthesis and breakdown of these substances are regulated by the autonomic nervous system and by multiple hormones. Although they play a role in the cell, the experimental data suggest that the content of extracellular cAMP and cGMP can be used as an indicator of autonomic function. Infectious Hugh