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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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
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