Learning / English Dictionary

ANS

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands

Synonyms:

ANS; autonomic nervous system

Classified under:

Nouns denoting body parts

Hypernyms ("ANS" is a kind of...):

neural structure (a structure that is part of the nervous system)

Meronyms (parts of "ANS"):

autonomic ganglion (any of the ganglia of the autonomic system whose unmyelinated fibers innervate the internal organs)

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

parasympathetic; parasympathetic nervous system (originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels)

Holonyms ("ANS" is a part of...):

nervous system; systema nervosum (the sensory and control apparatus consisting of a network of nerve cells)

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