The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment.
It originates from the spinal column from below the 1st body of the sacrum
Read more about Sacral Spinal Nerve 1: Muscles, Additional Images
Famous quotes containing the word nerve:
“our nerve filaments twitch with its presence
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nothing we do has the quickness, the sureness,
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—Denise Levertov (b. 1923)