Definition of
sympathetic_nervous_system has definitions from the fields of anatomy,zoology,physiology
1
[ noun ] (anatomy,zoology,physiology) originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels

Related terms

nervous_system autonomic_nervous_system solar_plexus alpha-adrenergic_receptor beta-adrenergic_receptor splanchnic_nerve

*
To share this definition click "text" (Facebook, Twitter) or "link" (blog, mail) then paste
text link