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Meaning of word medulla from English dictionary with examples, synonyms and antonyms.

medulla   noun

Meaning : A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers.

Synonyms : myelin, myeline

Meaning : Lower or hindmost part of the brain. Continuous with spinal cord. (`bulb' is an old term for medulla oblongata).

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

Synonyms : bulb, medulla oblongata

Meaning : The inner part of an organ or structure in plant or animal.

The tissue forming the outer layer of an organ or structure in plant or animal.

cortex