solar plexus
- a network of nerves in the abdominal cavity behind the stomach and in front of the aorta, containing ganglia that send nerve impulses to the abdominal viscera
- Informal the area of the belly just below the sternum
See solar plexus in American Heritage Dictionary 4
noun- 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.
- The pit of the stomach.
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