#medulla_oblongata__medullaoblongata__medulla  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"
  supertype:  neural_structure  a structure that is part of the nervous system
  part of:  hindbrain
  part:  respiratory_center__respiratorycenter  the center in the medulla oblongata and pons that integrates sensory information about the level of oxygen and carbon dioxide in the blood and determines the signals to be sent to the respiratory muscles

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