abdominal nerve plexus

English Thesaurus

1. a large plexus of sympathetic nerves in the abdomen behind the stomach (noun.body)

hypernym	:	nerve plexus,
definition	:	a network of intersecting nerves (noun.body)

part meronym	:	sympathetic nervous system,
definition	:	originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels (noun.body)