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Pronunciation (US): 

 Dictionary entry overview: What does nervous system mean? 

  The noun NERVOUS SYSTEM has 1 sense:

1. the sensory and control apparatus consisting of a network of nerve cells

  Familiarity information: NERVOUS SYSTEM used as a noun is very rare.

 Dictionary entry details 


Sense 1nervous system [BACK TO TOP]


The sensory and control apparatus consisting of a network of nerve cells

Classified under:

Nouns denoting body parts


nervous system; systema nervosum

Hypernyms ("nervous system" is a kind of...):

system (a group of physiologically or anatomically related organs or parts)

Meronyms (parts of "nervous system"):

nerve tissue; nervous tissue (tissue composed of neurons)

ganglion (an encapsulated neural structure consisting of a collection of cell bodies or neurons)

nerve cell; neuron (a cell that is specialized to conduct nerve impulses)

fascicle; fasciculus; fiber bundle; fibre bundle (a bundle of fibers (especially nerve fibers))

central nervous system; CNS; systema nervosum centrale (the portion of the vertebrate nervous system consisting of the brain and spinal cord)

neural net; neural network (any network of neurons or nuclei that function together to perform some function in the body)

peripheral nervous system; systema nervosum periphericum (the section of the nervous system lying outside the brain and spinal cord)

ANS; autonomic nervous system (the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands)

Hyponyms (each of the following is a kind of "nervous system"):

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 ("nervous system" is a part of...):

body; organic structure; physical structure (the entire structure of an organism (especially an animal or human being))

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