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noun
A rare form of ependymal tumor. They are classically found within the fourth ventricle, typically have a well demarcated interface to normal tissue and (unlike ependymomas) do not usually extend into the brain parenchyma.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From sub- + ependymoma.
