Synapse between pre- and postganglionic sympathetic neurons supplying the heart were Fibres from the sympathetic trunk attain the cardiac plexus through cardiac nerves.
The preganglionic department from the top thoracic spinal twine and synapse within the decrease cervical and top thoracic ganglia. Postganglionic amplify from the ganglia to the cardiac plexus.
The cell our bodies of the preganglionic neurons are inside the brainstem or spinal twine of the primary fearful system. The cell bodies of the postganglionic neurons are in autonomic ganglia positioned peripherally. Axon terminal of preganglionic neurons synapse on dendrites and mobile our bodies of postganglionic neurons.
The sympathetic preganglionic neurons lie inside the spinal wire and their axons traverse the ventral horn to exit in ventral roots wherein they form synapses onto postganglionic neurons.
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