systema nervosum
English Thesaurus
1. the sensory and control apparatus consisting of a network of nerve cells (noun.body)
| hypernym | : | system, |
| definition | : | a group of physiologically or anatomically related organs or parts (noun.body) |
| hyponym | : | sympathetic nervous system, |
| definition | : | originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels (noun.body) |
| hyponym | : | parasympathetic, parasympathetic nervous system, |
| definition | : | 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 (noun.body) |
| part holonym | : | ganglion, |
| definition | : | an encapsulated neural structure consisting of a collection of cell bodies or neurons (noun.body) |
| part holonym | : | nerve cell, neuron, |
| definition | : | a cell that is specialized to conduct nerve impulses (noun.body) |
| part holonym | : | neural net, neural network, |
| definition | : | any network of neurons or nuclei that function together to perform some function in the body (noun.body) |
| part holonym | : | ans, autonomic nervous system, |
| definition | : | the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands (noun.body) |
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