+The **Sciatic Nerve** is the body's longest and widest single nerve, a vital pathway originating in the [Lower Back](/wiki/lower_back). It extends down each leg, delivering sensation and movement, and its compression can lead to the distinctive pain known as [Sciatica](/wiki/sciatica).
+## See also
+- [Nerve](/wiki/nerve)
+- [Spine](/wiki/spine)
+- [Pain](/wiki/pain)
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