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 or medulla.
  • 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

  • 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

  • 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

  • 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

  • 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.

    IX. Neurology. 1. Structure of the Nervous System 1918

  • 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.

    II. Osteology. 1. Development of the Skeleton 1918

  • 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).

    XI. Splanchnology. 3d. 1. The Ovaries 1918

  • 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.

    II. Osteology. 2. Bone 1918

  • 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

  • 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

  • It is not known if Victoza could cause thyroid tumors or a very rare type of thyroid cancer called medullary thyroid cancer in people.

    RedOrbit News - Technology 2010

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