Definitions
from The Century Dictionary.
- In anatomy and zoology, pertaining to marrow or medulla, or resembling it in form or position; myelonal: as, medullary substance; a medullary cavity; medullary cancer; a medullary foramen.
- In botany, composing or pertaining to the medulla or pith of plants. See phrases below.
- The hollow of a bone which contains marrow.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Pertaining to, consisting of, or resembling, marrow or medulla.
- adjective Pertaining to the medula oblongata.
- adjective (Bot.) Filled with spongy pith; pithy.
- adjective (Anat.) a groove, in the epiblast of the vertebrate blastoderm, the edges of which unite, making a tube (the medullary canal) from which the brain and spinal cord are developed.
- adjective (Bot.) the rays of cellular tissue seen in a transverse section of exogenous wood, which pass from the pith to the bark.
- adjective (Anat.) the layer of white semifluid substance (myelin), between the primitive sheath and axis cylinder of a medullated nerve fiber.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective anatomy Pertaining to, consisting of, or resembling,
marrow ormedulla . - adjective botany Filled with spongy
pith ;pithy .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective of or relating to the medulla oblongata
- adjective containing or consisting of or resembling bone marrow
- adjective of or relating to the medulla of any body part
Etymologies
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Examples
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In a fracture of a long bone, that which surrounds the fragments is called the _external_ or _ensheathing callus_, and may be likened to the mass of solder which surrounds the junction of pipes in plumber-work; that which occupies the position of the medullary canal is called the _internal_ or _medullary callus_; and that which intervenes between the fragments and maintains the continuity of the cortical compact tissue of the shaft is called the
Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893
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That is what in her country, which is also mine, they call the medullary bone, the most tasty and most succulent of all bones. "
Dieux ont soif. English Anatole France 1884
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It will also be seen that the shaft is a hollow cylinder, formed of compact tissue, enclosing a cavity called the medullary canal, which is filled with a pulpy, yellow fat called _marrow_.
A Practical Physiology Albert F. Blaisdell
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In addition to these interruptions oblique clefts may be seen in the medullary sheath, subdividing it into irregular portions, which are termed medullary segments, or segments of Lantermann (Fig. 631); there is reason to believe that these clefts are artificially produced in the preparation of the specimens.
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The body, or diaphysis is cylindrical, with a central cavity termed the medullary canal; the wall consists of dense, compact tissue of considerable thickness in the middle part of the body, but becoming thinner toward the extremities; within the medullary canal is some cancellous tissue, scanty in the middle of the body but greater in amount toward the ends.
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These increase in size as they recede from the surface toward a highly vascular stroma in the center of the organ, termed the medullary substance (zona vasculosa of Waldeyer).
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The interior of each of the long bones of the limbs presents a cylindrical cavity filled with marrow and lined by a highly vascular areolar structure, called the medullary membrane.
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On the other hand, a rare form of thyroid cancer known as medullary thyroid cancer can be hereditary.
NYT > Home Page By THE NEW YORK TIMES 2010
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It is not known if Victoza could cause thyroid tumors or a very rare type of thyroid cancer called medullary thyroid cancer in people.
foodconsumer.org 2010
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It is not known if Victoza could cause thyroid tumors or a very rare type of thyroid cancer called medullary thyroid cancer in people.
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