KnowraDiencephalonLinked fromLinked fromThe 7 pages that link to Diencephalon, each with the reason it gives.All 7Narrower topic 4Compared with 3HypothalamusNarrower topic: The hypothalamus is one of the diencephalon’s major subdivisions.ThalamusNarrower topic: The thalamus is one of the diencephalon's principal components.BrainstemCompared with: It lies above the midbrain, distinguishing the brainstem from adjoining forebrain structures.Pineal glandNarrower topic: The pineal gland sits in the epithalamus, part of this larger brain division.CerebrumCompared with: It lies adjacent to the cerebrum but is classified as a distinct brain division.MidbrainCompared with: It lies above the midbrain, with the thalamus receiving several signals that pass through it.Walter Rudolf HessNarrower topic: Hess mapped how stimulation within this region produced coordinated visceral responses.