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spina

[spahy-nuh] /ˈspaɪ nə/
noun, plural spinae
[spahy-nee] /ˈspaɪ ni/ (Show IPA).
Anatomy, Zoology.
1.
a spine or spinelike projection.
Origin of spina
1350-1400
1350-1400; Middle English < Latin spīna thorn, backbone; see spine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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spina in Medicine

spina spi·na (spī'nə)
n. pl. spi·nae (-nē)
A spine-shaped or sharp thornlike anatomical process.

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