noun (pl1=medullas, pl2=medullae)
Etymology: Latin medullaLatin, medulla "pith, marrow", perhaps from medius.
- The soft inner part of something, especially the pith of a fruit.
- (anatomy) The inner substance of various organs and structures, especially the marrow of bones.
- (anatomy) The medulla oblongata.
- (botany) The internal tissue of a plant.
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Full Definition of medulla