The coccygeal plexus is a small nervous plexus upon the pelvic (anterior) surface of the coccygeus muscle. This plexus is formed by the ventral rami of the fourth and fifth sacral nerves (S4-S5), and the ventral ramus of the coccygeal nerve (Co).
The coccygeal plexus is a small nervous plexus upon the pelvic (anterior) surface of the coccygeus muscle. This plexus is formed by the ventral rami of the fourth and fifth sacral nerves (S4-S5), and the ventral ramus of the coccygeal nerve (Co).
Source: Wikipedia "Coccygeal plexus" · CC BY-SA 4.0
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