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Plexuses
Regions and main nerves
Plexus | Region |
---|---|
Cervical Plexus | ventral rami C1-C4 some C5, phrenic nerve |
Brachial Plexus | ventral roots C5-C8, T1 for shoulders and upper limbs |
Lumbar Plexus | from ventral rami of L1-L4, femoral nerve |
Sacral Plexus | from ventral rami of L4-L5 and S1-S4, sciatic nerve |
Plexuses (general) | anterior rami of spinal nerves network with adjacent nerves to form plexuses |
Intercostal nerves | anterior rami of T2-T12 (no thoracic plexus) |
Cervical nerves | C1-C8 |
Thoracic | T1-T12 |
Lumbar | L1-L5 |
Sacral | S1-S5 |
Cocygeal | 1 pair |