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Recurrent cardio-accelerator fibres in the right cervical sympathetic nerve of the sheep

Recurrent cardio-accelerator fibres in the right cervical sympathetic nerve of the sheep

Journal of Physiology 135(1): 58-65

Cardio-accelerator fibers were demonstrated in the lower course of the right cervical sympathetic nerve of sheep. These fibers are mostly preganglionic to the right stellate ganglion but also sometimes contain a small postganglionic component. There is no evidence for the presence of such fibers in the upper half of the right cervical sympathetic nerve or in any part of the left cervical sympathetic nerve. The cardio-accelerator fibers of the neck come from the thorax through the limbs of the ansa subclavia and ascend in the right sympathetic nerve. They return to the thorax in the same nerve; their further course between the cervical sympathetic and heart is variable.

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Accession: 014163595

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PMID: 13398965

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