abdominal nerve plexus
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|Noun||1.||abdominal nerve plexus - a large plexus of sympathetic nerves in the abdomen behind the stomach|
nerve plexus - a network of intersecting nerves
sympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels