Medulla oblongata - Definition

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The medulla oblongata also called myelencephalon is the lower part of the brainstem located in the skull. The medulla connects the brain and spinal cord. Despite its small size, it plays an essential role in nerve transmission. The medulla is an autonomic nerve center, meaning it exercises a role in the automatic functioning of the organs; it has, among other functions, the regulation of the heart rate, breathing, and blood pressure.