[zig-uh-pof-uh-sis, zahy-guh-]
noun, plural zygapophyses [zig-uh-pof-uh-seez, zahy-guh-] . Anatomy.
one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.

1850–55; zyg- + apophysis

zygapophyseal, zygapophysial [zig-ap-uh-fiz-ee-uhl, zahy-gap-] , adjective
postzygapophyseal, adjective
postzygapophysial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To postzygapophysial
World English Dictionary
zygapophysis (ˌzɪɡəˈpɒfɪsɪs, ˌzaɪɡə-)
n , pl -ses
anatomy, zoology one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra
[C19: from zygo- + apophysis]

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