端たん脳のうたんのうMeanings1nountelencephalonanatomyAnatomical term for the anterior part of the forebrain, also known as the endbrain. Used in medical and biological contexts.See also: 終脳端たん脳のうは大だい脳のう皮ひ質しつと大だい脳のう基き底てい核かくを含ふくむ。The telencephalon includes the cerebral cortex and basal ganglia.