What does "medulla" mean?

The soft inner part of something, especially the pith of a fruit.

What is a synonym for "medulla"?

Common synonyms include: axis, brainstem base, bulb, center, central region, core.

/məˈdʌlə/ noun

noun ·Uncommon ·Advanced level

Noun

1
The soft inner part of something, especially the pith of a fruit.
2
the inner part of an organ or structure in plant or animal wordnet
3
The inner substance of various organs and structures, especially the marrow of bones.
4
lower or hindmost part of the brain; continuous with spinal cord; (‘bulb’ is an old term for medulla oblongata) wordnet
5
The medulla oblongata.

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6
a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers wordnet
7
The internal tissue of a plant.

"Central nervous system consists of brain, cerebellum, medulla oblongata and spinal cord."

Borrowed from Latin medulla (“pith, marrow”), perhaps from medius (“middle”).