medulla oblongata defined in 1951 yearmedulla oblongata - medulla oblongata;
medulla oblongata - Often called simply medulla. Most posterior part of the brain of vertebrates, merging into the spinal cord. Thick-walled and floored, but with thin roof; its internal cavity is fourth ventricle. Primitively concerned with coordination of impulses from lateral line, ear, taste, and touch receptors. Contains important centres for respiratory movement, control of bloodvessels and heart, etc. Glossopharyngeal and vagus nerves arise from it.
near medulla oblongata in Knolik
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