brain-stem

Noun
  1. is a type of: neural structure - a structure that is part of the nervous system
    has:
    • bulb, medulla, medulla oblongata - lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
    • pons, pons varolii - a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain
    • reticular formation, 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
    is a part of: brain, encephalon - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
    same as: brain stem, brainstem

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