nervous system

1. The sensory and control apparatus consisting of a network of nerve cells (synset 105469891)
   is a type of: system - a group of physiologically or anatomically related organs or parts
   subtypes:

   • 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
   has:

   • 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
   is a part of: body, organic structure - the entire physical structure of an organism (an animal, plant, or human being)
   same as: systema nervosum

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