#stimulation.natural_process  (physiology) the effect of a stimulus (on nerves or organs etc.)
  supertype:  natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
  subtype:  activation.stimulation  stimulation of activity in an organism or chemical

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