Lesser auricular nerve
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The lesser auricular nerve originates from the cervical plexus, composed of branches of spinal nerves C2 and C3.
| Spinal nerves | |
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ventral root - dorsal root - dorsal root ganglion - cauda equina - gray ramus communicans - white ramus communicans posterior divisions: cervical (greater occipital, third occipital) - thoracic - lumbar - sacral - coccygeal anterior divisions: cervical plexus - brachial plexus - thoracic nerves: (intercostal - intercostobrachial - subcostal) - lumbosacral plexus | |
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