sympathetic nervous system
English Dictionary
->
Letter S
-> sympathetic nervous system
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sympathetic nervous system Definition
(n)
originates
in
the
thoracic
regions
of
the
spinal
cord
;
opposes
physiological
effects
of
the
parasympathetic
:
reduces
digestive
secretions
;
speeds
the
heart
;
contracts
blood
vessels
sympathetic nervous system Synonyms
sympathetic nervous system
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