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|Noun||1.||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|
neural structure - a structure that is part of the nervous system
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
medulla oblongata, medulla, bulb - lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
pons Varolii, pons - a band of nerve fibers linking the medulla oblongata and the cerebellum with the midbrain
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