Definition of medulla

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  • medulla is a valid Scrabble US word with a point value of 10
  • medulla is a valid Scrabble UK word with a point value of 10
  • medulla is a valid Words with friends word with a point value of 14

Definition of medulla

  • lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) (noun)

    Examples

    1. the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning

    Synonyms

    1. bulb
    2. medulla oblongata
  • a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers (noun)

    Synonyms

    1. myelin
    2. myeline
  • the inner part of an organ or structure in plant or animal (noun)

See definition of medulla in Merriam Webster