hindbrain - the posterior portion of the brain including cerebellum and brainstembrain, encephalon - that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord metencephalon - the part of the hindbrain that develops into the pons and the cerebellum cerebellum - a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans myelencephalon - the posterior part of the hindbrain in developing vertebrates; forms the medulla oblongata in adults |