Definition of medulla

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

Lern More About Medulla

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..
Medullary :: Medullary (a.) Filled with spongy pith; pithy.
Oblongatal :: Oblongatal (a.) Of or pertaining to the medulla oblongata; medullar.
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..
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..
Medullar :: Medullar (a.) See Medullary.
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..
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.
Medullated :: Medullated (a.) Furnished with a medulla or marrow, or with a medullary sheath; as, a medullated nerve fiber..
Oblongata :: Oblongata (n.) The medulla oblongata.
Preoblongata :: Preoblongata (n.) The anterior part of the medulla oblongata.
Endosteum :: Endosteum (n.) The layer of vascular connective tissue lining the medullary cavities of bone.
Nonmedullated :: Nonmedullated (a.) Not medullated; (Anat.) without a medulla or marrow, or without a medullary sheath; as, a nonmedullated nerve fiber..
Myelin :: Myelin (n.) A soft white substance constituting the medullary sheats of nerve fibers, and composed mainly of cholesterin, lecithin, cerebrin, albumin, and some fat..
Medullin :: Medullin (n.) A variety of lignin or cellulose found in the medulla, or pith, of certain plants. Cf. Lignin, and Cellulose..
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..
Medullary :: Medullary (a.) Pertaining to, consisting of, or resembling, marrow or medulla..
Medulla :: Medulla (n.) A soft tissue, occupying the center of the stem or branch of a plant; pith..
Metencephalon :: Metencephalon (n.) The posterior part of the brain, including the medulla; the afterbrain. Sometimes abbreviated to meten..
Schwann''s White Substance :: Schwann's white substance () The substance of the medullary sheath.
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