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Related to zygapophyses: Transverse costal facet, Articular pillar


 (zĭg′ə-pŏf′ĭ-sĭs, zī′gə-)
n. pl. zyg·a·poph·y·ses (-sēz′)
One of two usually paired processes of the neural arch of a vertebra that articulates with corresponding parts of adjacent vertebrae.

zyg′ap·o·phys′e·al, zyg′ap·o·phys′i·al (zĭg′ăp-ə-fĭz′ē-əl, zī′găp-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌzɪɡəˈpɒfɪsɪs; ˌzaɪɡə-)
n, pl -ses (-ˌsiːz)
1. (Anatomy) anatomy zoology one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra
2. (Zoology) anatomy zoology one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra
[C19: from zygo- + apophysis]
zygapophyseal, zygapophysial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌzɪg əˈpɒf ə sɪs, ˌzaɪ gə-)

n., pl. -ses (-ˌsiz)
one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
eulerti), rib facets of posterior cervical non divided horizontally (unlike "K." boyacensis), at least 37 pre-sacral vertebrae (unlike "K." boyacensis), and zygapophyses present in posterior dorsal vertebrae (unlike K.
Thus, they lack the neural spine, the zygantrum and all the zygapophyses. Although most part of the centra are lost, their morphology can be recognized in ventral view (Fig.
Small encrusting bryozoans are scattered across portions of the vertebra's surface, particularly along the neural canal and parts of the zygapophyses and pleurapophyses.
Atlas, epistropheus and the third vertebra are strongly connected each other through neural anterior zygapophyses, constraining the articulation of this complex.
Intervertebral articulations mediated by zygapophyses. Dorsal zygapophyses prominent on anterior vertebrae, ventral zygapophyses present on posterior precaudal and caudal vertebrae.
Based on a large vertebra (length through the zygapophyses 26.3 mm) from the Late Eocene Moodys Branch Formation of Mississippi, Holman et al.
The prezygapophyses and postzygapophyses are less developed than the zygapophyses of the cervical vertebra, with a smaller articulation surface.