| 1. | The anterior divisions communicate with the sympathetic trunk.
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| 2. | Each receives a gray ramus communicans from the superior cervical ganglion of the sympathetic trunk.
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| 3. | Other fibers from lateral grey column neurons pass through the sympathetic trunk without synapsing there.
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| 4. | The white rami carry sympathetic fibers arising in the spinal cord into the sympathetic trunk.
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| 5. | Also, the ganglia of the thoracic sympathetic trunk have both white and gray rami communicantes.
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| 6. | It is to my understanding that : Sympathetic ganglia connect to each other to form the sympathetic trunk.
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| 7. | They are joined, near their origins, by gray rami communicantes from the lumbar ganglia of the sympathetic trunk.
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| 8. | The nerves of the sympathetic trunk arise from the spinal cord in the autonomic ( or involuntary ) nervous system.
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| 9. | The fibers of the sympathetic trunk above and below T1-L2 originate from white rami communicantes within T1-L2.
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| 10. | Near the origin of the divisions, they are joined by gray rami communicantes from the lumbar ganglia of the sympathetic trunk.
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