prevertebral ganglion
Quick Summary
A prevertebral ganglion is a cluster of nerve cell bodies located outside the central nervous system that is part of the autonomic nervous system. These ganglia are considered "prevertebral" because they are situated near the internal organs they innervate.12
The autonomic nervous system regulates involuntary bodily functions and has two main divisions: the sympathetic and parasympathetic nervous systems. Preganglionic neurons, originating in the central nervous system, extend to autonomic ganglia where they synapse with postganglionic neurons.13
The three main prevertebral ganglia are the celiac, superior mesenteric, and inferior mesenteric ganglia. These ganglia distribute nerve fibers to various abdominal organs, including the stomach, intestines, liver, pancreas, and parts of the colon.1
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human nervous systemThe peripheral nervous systemPrevertebral motor ganglia are located near internal organs innervated by their projecting fibers, while terminal ganglia are found on the surfaces or within the walls of the target organs themselves. Motor ganglia have multipolar cell bodies, which have irregular shapes and eccentrically located nuclei and…
Read MorePrevertebral motor ganglia are located near internal organs innervated by their projecting fibers, while terminal ganglia are found on the surfaces or within the walls of the target organs themselves. Motor ganglia have multipolar cell bodies, which have irregular shapes and eccentrically located nuclei and…
Read More- human nervous systemSympathetic ganglia
The three preaortic ganglia are the celiac, superior mesenteric, and inferior mesenteric. Lying on the anterior surface of the aorta, preaortic ganglia provide axons that are distributed with the three major gastrointestinal arteries arising from the aorta. Thus, the celiac ganglion innervates the stomach, liver, pancreas, and…
Read MoreThe three preaortic ganglia are the celiac, superior mesenteric, and inferior mesenteric. Lying on the anterior surface of the aorta, preaortic ganglia provide axons that are distributed with the three major gastrointestinal arteries arising from the aorta. Thus, the celiac ganglion innervates the stomach, liver, pancreas, and…
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