Definition of medulla

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Medulla (n.) Marrow; pith; hence, essence..

Lern More About Medulla

Notochord :: Notochord (n.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebrae and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm..
Bulbar :: Bulbar (a.) Of or pertaining to bulb; especially, in medicine, pertaining to the bulb of the spinal cord, or medulla oblongata; as, bulbar paralysis..
Pons :: Pons (n.) A bridge; -- applied to several parts which connect others, but especially to the pons Varolii, a prominent band of nervous tissue situated on the ventral side of the medulla oblongata and connected at each side with the hemispheres of the cerebellum; the mesocephalon. See Brain..
Medullated :: Medullated (a.) Furnished with a medulla or marrow, or with a medullary sheath; as, a medullated nerve fiber..
Crus :: Crus (n.) Often applied, especially in the plural, to parts which are supposed to resemble a pair of legs; as, the crura of the diaphragm, a pair of muscles attached to it; crura cerebri, two bundles of nerve fibers in the base of the brain, connecting the medulla and the forebrain..
Medullary :: Medullary (a.) Pertaining to, consisting of, or resembling, marrow or medulla..
Medulla :: Medulla (n.) 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..
Oblongata :: Oblongata (n.) The medulla oblongata.
Medullar :: Medullar (a.) See Medullary.
Marrow :: Marrow (n.) The tissue which fills the cavities of most bones; the medulla. In the larger cavities it is commonly very fatty, but in the smaller cavities it is much less fatty, and red or reddish in color..
Neurenteric :: Neurenteric (a.) Of or pertaining to both the neuron and the enteron; as, the neurenteric canal, which, in embroys of many vertebrates, connects the medullary tube and the primitive intestine. See Illust. of Ectoderm..
Medullary :: Medullary (a.) Pertaining to the medula oblongata.
Medullary :: Medullary (a.) Filled with spongy pith; pithy.
Preoblongata :: Preoblongata (n.) The anterior part of the medulla oblongata.
Cerebellum :: Cerebellum (n.) The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. See Brain.
Restiform :: Restiform (a.) Formed like a rope; -- applied especially to several ropelike bundles or masses of fibers on the dorsal side of the medulla oblongata.
Postoblongata :: Postoblongata (n.) The posterior part of the medulla oblongata.
Endosteum :: Endosteum (n.) The layer of vascular connective tissue lining the medullary cavities of bone.
Schwann''s White Substance :: Schwann's white substance () The substance of the medullary sheath.
Medullin :: Medullin (n.) A variety of lignin or cellulose found in the medulla, or pith, of certain plants. Cf. Lignin, and Cellulose..
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