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n. - The inner part of an organ or structure in plant or animal; Lower or hindmost part of the brain; A white fatty substance that forms a sheath around the axis cylinder of some nerve fibers.

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Usage examples (33)
  • The medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning
  • This sixth fundamental part of man's brain is called the medulla oblongata.
  • SCHWARTZMAN: Swallowing is controlled by the medulla, which is in that general area.
  • The medulla is a canal running through the middle of a strand of some types of hair.
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