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spinous process

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spinous process

–noun Anatomy, Zoology.
a spinelike process of a bone, esp. the dorsal projection from the center of the arch of a vertebra.

Origin:
1725–35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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spinous process  
n.  The long rearward projection from the arch of a vertebra that provides a point of attachment for muscles and ligaments.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: spinous process
Function: noun
: SPINE 2; specifically : the medianspinelike or platelike dorsal process of the neural arch of a vertebra
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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