noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   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.

Etymology

From sub- + ependymoma.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.