Assertion: preganglionic nerve fibre | /r/CapableOf | enter paravertebral ganglia
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Source sentences:
text: The grey rami communicantes exist at every level of the spinal cord and are responsible for carrying postganglionic nerve fibres from the paravertebral ganglia to their destination, and for carrying those preganglionic nerve fibres which enter the paravertebral ganglia but do not synapse.[citation needed]