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