The medulla oblongata is the furthest caudal located part of the brain, lying between the middle brain and the spinal cord.Together with the pons and the cerebellum of the rhombencephalon it is a very important reflex center. The Medulla oblongata develops from the myelencephalon.The cranial border of the medulla oblongata is built by the pons.Downwards the medulla oblongata transitions directly into the spinal cord. According to definition the end of the medulla oblongata is marked by the exit of the first spinal nerve.
