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medullated

[ med-l-ey-tid, mej-uh-ley-, muh-duhl-ey-tid ]

adjective

, Anatomy.


medullated

/ mɪˈdʌl-; ˈmɛdəˌleɪtɪd /

adjective

  1. anatomy encased in a myelin sheath
  2. having a medulla
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Words From

  • non·medul·lated adjective
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Word History and Origins

Origin of medullated1

First recorded in 1865–70; medull(a) + -ate 1 + -ed 2
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Example Sentences

The medullated nerve-fibres of the white matter when traced into the cortex are seen to enter in bundles set vertically to the surface.

These sensations are carried by medullated nerve fibres, and are slow to return after injury to the nerves.

It is about an inch and a quarter long, and is composed of both medullated and unmedullated fibers—that is of both "white" and "gray" matter.

Between the neurolemma and the axis cylinder is the medullated sheath, composed of a fatty substance known as myelin.

In addition to the radially arranged bundles of fibres, networks are formed by the interlacement with them of large numbers of fine medullated fibres running tangentially to the surface.

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medullary sheathmedullation