About The Word Medulla
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Medulla
| Medulla Definition And Meaning |
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What's The Definition Of Medulla?
[n] the inner part of an organ or structure in plant or animal
[n] lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata); "the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning" [n] a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers Synonyms | Synonyms for Medulla: bulb | medulla oblongata | myelin | myeline Related Terms | Find terms related to Medulla: See Also | adrenal medulla | animal tissue | fat | hindbrain | medullary sheath | myelin sheath | neural structure | plant tissue | respiratory center | rhombencephalon Medulla In Webster's Dictionary \Me*dul"la\, n. [L.]
1. Marrow; pith; hence, essence. [Obs.] --Milton.
2. (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.
3. (Bot.) A soft tissue, occupying the center of the stem or
branch of a plant; pith.
{Medulla oblongata}. [L., oblong medulla] (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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