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zygapophysis

[zig-uh-pof-uh-sis, zahy-guh-] /ˌzɪg əˈpɒf ə sɪs, ˌzaɪ gə-/
noun, plural zygapophyses
[zig-uh-pof-uh-seez, zahy-guh-] /ˌzɪg əˈpɒf əˌsiz, ˌzaɪ gə-/ (Show IPA).
Anatomy
1.
one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
Origin
1850-1855
1850-55; zyg- + apophysis
Related forms
zygapophyseal, zygapophysial
[zig-ap-uh-fiz-ee-uh l, zahy-gap-] /ˌzɪg æp əˈfɪz i əl, ˌzaɪ gæp-/ (Show IPA),
adjective
postzygapophyseal, adjective
postzygapophysial, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for zygapophysis

zygapophysis

/ˌzɪɡəˈpɒfɪsɪs; ˌzaɪɡə-/
noun (pl) -ses (-ˌsiːz)
1.
(anatomy, zoology) one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra
Derived Forms
zygapophyseal (ˌzɪɡæpəˈfɪzɪəl) adjective
Word Origin
C19: from zygo- + apophysis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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