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Lumbar Sympathetic Nerve Trunk

The inferior portion of the sympathetic trunk consisting of four lumbar ganglia, connected by interganglionic cords.
National Institutes of Health

Papers overview

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Background Visceral pain is a common cause for seeking medical attention. Afferent fibers innervating viscera project to the… 
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Stimulation of the midbrain cuneiform nucleus has previously been shown to produce increases in arterial blood pressure and…