nervous system
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Related to nervous system: central nervous system, autonomic nervous system, peripheral nervous system, Nervous System Disorders
nervous system
n.
The system of cells, tissues, and organs that regulates the body's responses to internal and external stimuli. In vertebrates it consists of the brain, spinal cord, nerves, ganglia, and parts of the receptor and effector organs.
nervous system
n
(Physiology) the sensory and control apparatus of all multicellular animals above the level of sponges, consisting of a network of nerve cells. See neurone See also central nervous system
nerv′ous sys`tem
n.
the system of neurons, neurochemicals, and allied structures involved in receiving sensory stimuli, generating and coordinating responses, and controlling bodily activities: in vertebrates it includes the brain, spinal cord, nerves, and ganglia.
[1730–40]
nerv·ous system
(nûr′vəs) The system of nerve cells and tissues that regulates the actions and responses of vertebrate and many invertebrate animals. The nervous system of vertebrates consists mainly of the brain, spinal cord, and nerves. The nervous systems of invertebrates vary from a simple network of nerves to a complex nerve network under the control of a primitive brain. See also autonomic nervous system, central nervous system, peripheral nervous system.
nervous system
The coordinated networks of neurons that control the body. See autonomic nervous system, central nervous system, peripheral nervous system.
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| Noun | 1. |  nervous system - the sensory and control apparatus consisting of a network of nerve cellsbody, organic structure, physical structure - the entire structure of an organism (an animal, plant, or human being); "he felt as if his whole body were on fire" system - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion" 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 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 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 |
Translations
جِهاز عَصَبي
nervová soustava
centralnervesystemet
idegrendszer
taugakerfi
sistema nervoso
nervový systém
sinir sistemi
nerve
(nəːv) noun1. one of the cords which carry messages between all parts of the body and the brain.
2. courage. He must have needed a lot of nerve to do that; He lost his nerve.
3. rudeness. What a nerve!
verb to force (oneself) to have enough courage (to do something). He nerved himself to climb the high tower.
nerves noun plural the condition of being too easily excited or upset. She suffers from nerves.
ˈnervous adjective1. of the nerves. the nervous system.
2. rather afraid. She was nervous about travelling by air; a nervous old lady.
ˈnervously adverbˈnervousness noun
ˈnervy adjective
excitable. The horse is rather nervy.
ˈnerviness nounˈnerve-racking adjective
causing great anxiety or nervousness. a nerve-racking experience.
nervous breakdown a period of mental illness caused by a time of great strain.
nervous system the brain, spinal cord and nerves of a person or animal.
get on someone's nerves to irritate someone. Her behaviour really gets on my nerves.