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NERVOUS SYSTEM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The sensory and control apparatus consisting of a network of nerve cells
Synonyms:
nervous system; systema nervosum
Classified under:
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 (the entire physical structure of an organism (an animal, plant, or human being))
Context examples:
A synthetic central nervous system stimulant.
(Methylphenidate, NCI Thesaurus)
A synthetic central nervous system stimulant with wakefulness-promoting activity.
(Modafinil, NCI Thesaurus)
Unlike humans, octopuses have multiple brains rather than just one central nervous system.
(Octopuses can dream, The Titi Tudorancea Bulletin)
MS is an unpredictable disease of the central nervous system that disrupts communication between the brain and other parts of the body.
(Vitamin D Levels Predict Multiple Sclerosis Progression, NIH)
The branch of neurobiology that tries to understand the anatomy, physiology, and pathology of the nervous system by understanding the way that genes, proteins, and molecules interact.
(Molecular Neurobiology, NCI Thesaurus)
It binds to opioid receptors in the central nervous system and some other tissues.
(Morphine sulfate, NCI Dictionary)
But, I perfectly remember that I sat swilling tea until my whole nervous system, if I had had any in those days, must have gone by the board.
(David Copperfield, by Charles Dickens)
He has taken to his bed, and Dr. Willows says that he is a wreck and that his nervous system is shattered.
(The Adventures of Sherlock Holmes, by Sir Arthur Conan Doyle)
Desglymidodrine diffuses poorly across the blood-brain barrier, and is therefore not associated with effects on the central nervous system.
(Midodrine Hydrochloride, NCI Thesaurus)
From there they constrict the linings of the blood vessels and the nervous system, and raise blood pressure.
(Air Pollution Can Trigger Glaucoma, The Titi Tudorancea Bulletin)
