American Heritage Dictionary
(5)
Century Dictionary
(15)
GNU Webster's 1913
(1)
WordNet
(3)
Elsewhere on the web
If the medulla was to be found to be deeply embedded, Ommaya would have to cut into blood-carrying vessels and hemorrhages would obscure his vision.— Pak Tea House
The nerves within the parasympathetic nervous system that coordinate sneezing feed into a part of our brainstem known as the medulla oblongata.— New Scientist - Online News

American Heritage Dictionary (1)
Century Dictionary (1)
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