SUPRARENAL PLEXUS

DESCRIPTION: This plexus, which is a subsidiary of the celiac plexus is placed around the suprarenal gland. It receives branches from the celiac ganglion and the greater splanchnic nerve. Its most flamboyant supply is from the great splanchnic nerve, which contains numerous sympathetic fibers. They appear as postganglionic fibers, which may have synapsed in the celiac ganglion before reaching the plexus.

BRANCHES:

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Branches to suprarenal gland.

FUNCTIONAL COMPONENTS:

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GVE sympathetic fibers from T5-T12 ventral part of intermediolateral horn, mostly running in the greater splanchnic nerve, lesser splanchnic nerve and least splanchnic nerve. These fibers assist the supply of catecolamines by the suprarenal gland.

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GVE parasympathetic fibers from dorsal nucleus of vagus.

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GVA sympathetic fibers with cell bodies in T5-T12 spinal ganglia.

ROOT: Dorsal nucleus of vagus of the upper medulla in the vagal trigone of rhomboid fossa and T5-T12 spinal cord segments.

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Creator: Oluwole Ogunranti