SkyfireDict

medulla   (TTS Sound)

The noun medulla has 3 senses

• myelin, myeline, medulla -- (a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers)


• 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")


• medulla -- (the inner part of an organ or structure in plant or animal)