Noun brain stem has 1 sense
  1. brainstem, brain-stem, brain stem - the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus
    --1 is a kind of neural structure
    --1 is a part of brain, encephalon
    --1 has parts:
     medulla oblongata, medulla, bulb; pons, pons Varolii; reticular formation, RF
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