solar plexus(redirected from celiac plexus)
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1. The large network of sympathetic nerves and ganglia located in the peritoneal cavity behind the stomach and having branching tracts that supply nerves to the abdominal viscera.
2. The pit of the stomach.
[From its radially branching ganglia.]
1. (Anatomy) anatomy Also called: coeliac plexus the network of sympathetic nerves situated behind the stomach that supply the abdominal organs
2. (Anatomy) (not in technical usage) the part of the stomach beneath the diaphragm; pit of the stomach
[C18: referring to resemblance between the radial network of nerves and ganglia and the rays of the sun]
1. a network of nerves at the upper part of the abdomen, behind the stomach and in front of the aorta.
2. a point on the stomach wall just below the sternum where a blow will affect this network.
[1765–75; from the raylike pattern of the nerve fibers]
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|Noun||1.||solar 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