Relating to both the medulla oblongata (the bulb-shaped base of the brain) and the structures or processes involving it.
From 'bulbo-' (bulb, referring to the brain's bulbous base) and 'medullary' from Latin 'medulla' (marrow or inner part), referring to the medulla oblongata.
The medulla oblongata is literally called 'the bulb' in anatomy because of its swollen appearance where the brain meets the spinal cord—this term shows how old anatomical descriptions still shape our medical language.
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