#brainstem__brain_stem__brainstem  the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
  supertype:  #neural_structure  a structure that is part of the nervous system
  part of:  #encephalon
  part:  #reticular_formation__reticularformation__RF  a complex neural network in the central core of the brainstem; monitors the state of the body and functions in such processes as arousal and sleep and attention and muscle tone
     part:  #reticular_activating_system__RAS  the network in the reticular formation that serves an alerting or arousal function

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