#reticulum  any fine network (especially one in the body composed of cells or blood vessels)
  supertype:  network.system__web  an intricately connected system of things or people; "a network of spies"; "a web of intrigue"
  subtype:  neural_network__neural_net  any network of neurons or nuclei that function together to perform some function in the body
     subtype:  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
     subtype:  reticular_activating_system__RAS  the network in the reticular formation that serves an alerting or arousal function

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