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spinous process

noun, Anatomy, Zoology.
a spinelike process of a bone, especially the dorsal projection from the center of the arch of a vertebra.
Origin of spinous process
First recorded in 1725-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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spinous process in Medicine

spinous process n.

  1. See sphenoidal spine.

  2. The dorsal projection from the center of a vertebral arch.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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