Cell Biology
Second messengers are intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules, such as hormones or neurotransmitters. They play a crucial role in amplifying and propagating signals received at the cell surface, leading to a wide variety of physiological responses. Understanding their function is essential for grasping how lipid-derived signaling pathways operate and how complex signaling networks are integrated within cells.
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