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Reference.org
Sympathetic trunk
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<p>The sympathetic trunk (sympathetic chain, gangliated cord) is a paired bundle of nerve fibers that run from the base of the <a href="/facts/Skull/A9Wp63Np">skull</a> to the <a href="/facts/Coccyx/BQ2qjXwg">coccyx</a>. It is a major component of the <a href="/facts/Sympathetic_nervous_system/hs8psNRd">sympathetic nervous system</a>. </p>