Definition of medulla
English to English noun - a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
source: WordNet 3.0 - 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.
source: WordNet 3.0 - the inner part of an organ or structure in plant or animal
source: WordNet 3.0 - Marrow; pith; hence, essence.
source: Webster 1913
Visual Synonyms 
Nearby Word
medulla, mitella, medially, medle, madla, medal, medly, meddle, mendel, medley, module, medial, madilaw, mantell, medalya, modally, mandela, mendole, mudwall, mandola
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