Sympathetic Nervous System — definition

1. sympathetic nervous system (Noun)

1 definition

sympathetic nervous system (Noun) — Originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels.

2 types of
nervous system systema nervosum
11 parts
abdominal nerve plexus alpha receptor alpha-adrenergic receptor alpha-adrenoceptor beta receptor beta-adrenergic receptor beta-adrenoceptor coeliac plexus plexus celiacus solar plexus splanchnic nerve
2 parts of
ans autonomic nervous system