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AidenSmith AidenSmith
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6 years ago
Explain the differences between endocrine, paracrine, and autocrine signaling.
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6 years ago
In endocrine signaling, signaling molecules are synthesized by one organ and act on distant target cells.  In animals the signaling molecule is carried to target cells by the blood or other extracellular fluids.  In paracrine signaling, the signaling molecules are released and affect only target cells in close proximity.  In autocrine signaling, the cell that releases the signaling molecule is also affected by the released signaling molecule.
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