medullas

Meanings

Noun

• a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers
• lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)
• the inner part of an organ or structure in plant or animal
• plural of medulla

Synonyms

bulb, medulla, medulla oblongata, myelin, myeline

Antonyms

cortex