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[med-l-er-ee, mej-uh-ler-ee, muh-duhl-uh-ree] /ˈmɛd lˌɛr i, ˈmɛdʒ əˌlɛr i, məˈdʌl ə ri/
pertaining to, consisting of, or resembling the medulla of an organ or the medulla oblongata.
Origin of medullary
1610-20; medull(a) + -ary
Related forms
postmedullary, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for medullary
  • In a specimen of each type of dinosaur, the team happened upon a type of calcium-rich tissue called medullary bone.
  • medullary carcinoma of the thyroid is cancer of the thyroid gland that starts in cells that release a hormone called calcitonin.
  • On the other hand, a rare form of thyroid cancer known as medullary thyroid cancer can be hereditary.
  • The cortex is sharply delineated from the medullary pyramids, which are red-purple and unremarkable.
  • Some authors consider the endothelium absent in places and here the medullary cells are directly bathed by the blood.
  • The kidney is composed of an internal medullary and an external cortical substance.
  • The fibers of the optic nerve receive their medullary sheaths about the tenth week after birth.
  • It consists of fine fibers which do not receive their medullary sheaths until toward the close of fetal life.
  • Expert-reviewed information summary about the genetics of medullary thyroid cancer and related disorders.

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