ANS

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
• Syn:
autonomic nervous system
• Hypernyms:
neural structure
• Part Holonyms:
nervous system, systema nervosum
• Part Meronyms:
autonomic ganglion, sympathetic nervous system, parasympathetic nervous system, parasympathetic