Respuesta :
Answer:
A)
Explanation:
The preganglionic sympathetic nerve fibres of the of the autonomic nervous system, originate from the hypothalamus and the brain stem and and end up in the sympathetic ganglia chain lining either side of the spinal cord.
They synapse with the postganglionic sympathetic fibres located in these ganglia. The sympathetic preganglionic fibres are shorter when compared to the postganglionic sympathetic fibres. The cell bodies of the preganglionic sympathetic fibres are located in the intermediolateral nucleus of the spinal cord. They are sometimes referred to as the thoracolumbar outflow.
The sympathetic preganglionic neurons are cholinergic, which means their neurotransmitter is acetylcholine. They are also myelinated for faster transmission of signals.
The postganglionic fibres which arise from T11 to L3 passes through the mesenteric, celiac and splenic ganglia to innervate the renal system.
(A). When The synapses between preganglionic and postganglionic neurons naturally occur in the sympathetic chain. Brief preganglionic neurons synapse close to the spinal cord for a better widespread reaction.
What is Preganglionic sympathetic?
The preganglionic sympathetic nerve fibers of the autonomic nervous system, originate from the hypothalamus and the brain stem and finish up in the sympathetic ganglia chain lining either side of the spinal cord.
They synapse with the postganglionic compassionate fibers discovered in these ganglia. The compassionate preganglionic fibers are shorter when corresponded to the postganglionic sympathetic fibers. The cell bodies of the preganglionic sympathetic fibers are located in the intermediolateral nucleus of the spinal cord. They are sometimes referred to as the thoracolumbar outflow.
The sympathetic preganglionic neurons are cholinergic, which conveys their neurotransmitter is acetylcholine. They are too myelinated for more immediate transmission of signals.
The postganglionic fibers which arise from T11 to L3 pass through the mesenteric, celiac, and splenic ganglia to innervate the renal system.
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