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definitions

long bone

noun Anatomy. (in vertebrate animals)

any of the long, cylindrical, marrow-containing bones of the limbs: the long bone of the arm.

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Nearby words

  1. long arm,
  2. long arm of the law, the,
  3. long axis,
  4. long barrow,
  5. long beach,
  6. long branch,
  7. long card,
  8. long ciliary nerve,
  9. long clam,
  10. long con

Origin of long bone

First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for long bone

long bone

n.

One of the elongated bones of the extremities, consisting of a tubular shaft, which is composed of compact bone surrounding a central marrow-filled cavity, and two expanded portions that usually serve as articulation points.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.