MEDULLA • DICCIONARIO INGLES.COM • Definition of Medulla

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noun

Medulla n.

Marrow; pith; hence, essence. (Obs.)

(Anat.) The marrow of bones; the deep or inner portion of an organ or part; as, the medulla, or medullary substance, of the kidney; specifically, the medula oblongata.

(Bot.) A soft tissue, occupying the center of the stem or branch of a plant; pith.

See medulla oblongata.

Medulla oblongata. (Anat.), the posterior part of the brain connected with the spinal cord. It includes all the hindbrain except the cerebellum and pons, and from it a large part of the cranial nerves arise. It controls very largely respiration, circulation, swallowing, and other functions, and is the most vital part of the brain; called also bulb of the spinal cord. See Brain.

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Etymology of 'Medulla'

Collaborative International Dictionary of English 0.48

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"Medulla" Quotes from Famous Books

... Doctor," he said at length, "but it is a method which I would not dare to use. By applying high frequency electrical stimulations to the medulla oblongata, at the same time bathing the cerebellum with ultra-violet, it might be done, but the chances are that either death or insanity would result. ...

— Astounding Stories, February, 1931 • Various

... There are three grand divisions of the Brain, the Medulla Oblongata, the Cerebellum, and the Cerebrum; the first represents the merely animal instincts the second, the more elevated sentiments, the third, the intellectual powers. Human nature must, therefore, both in the ...

— Christianity and Greek Philosophy • Benjamin Franklin Cocker

Words linked to "Medulla" : fat, medulla spinalis, brain stem, animal tissue, medulla oblongata, brainstem, brain-stem, bulb, cortex, medullary sheath, myelin, myelin sheath, plant tissue, adrenal medulla, myeline, respiratory center