MEDULLA • FREE TRANSLATOR.ORG • 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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Words linked to "Medulla" : plant tissue, bulb, medullary sheath, brainstem, brain stem, myelin, fat, medulla oblongata, respiratory center, myeline, medulla spinalis, cortex, neural structure, adrenal medulla, brain-stem