SUPERIOR MESENTERIC GANGLION

 

DESCRIPTION: The ganglion is found above the superior mesenteric plexus. It provides relay center for the preganglionic sympathetic fibers coming from the thoracic splanchnic nerves. Their postganglionic fibers are then distributed along with those of parasympathetic fibers from the superior mesenteric plexus.

BRANCHES:

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Branches to secondary plexuses as enumerated above.

FUNCTIONAL COMPONENTS:

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GVE sympathetic vasomotor fibers from roots T5-12.

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GVA fibers for afferent sympathetic fibers.

ROOT: The vasomotor sympathetic fibers originate from the ventral part of the intermediolateral horn of T5-T12 spinal cord segments. Also the dorsal part of the intermediolateral horn provides the pseudounipolar sensory neurons whose cell bodies lie in the spinal ganglia T5-12.

 

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Creator: Oluwole Ogunranti


 

 

 

 

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Creator: Oluwole Ogunranti