zygapophysis

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Related to zygapophyses: Transverse costal facet, Articular pillar

zyg·a·poph·y·sis

(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.

zygapophysis

(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

zyg•a•poph•y•sis

(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.

[1850–55]

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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.

A new large Pliosaurid from the Barremian (Lower Cretaceous) of Sachica, Boyaca, Colombia/Un nuevo Pliosaurido de gran tamano del Barremiano (Cretacico Inferior) de Sachica, Boyaca, Colombia

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.

First Triassic tetrapod (Sauropterygia, Nothosauridae) from Castilla y Leon: evidence of an unknown taxon for the Spanish record

Small encrusting bryozoans are scattered across portions of the vertebra's surface, particularly along the neural canal and parts of the zygapophyses and pleurapophyses.

Probable cervical vertebra of an extinct Ice Age elkmoose dredged from the inner continental shelf of central New Jersey, USA

Atlas, epistropheus and the third vertebra are strongly connected each other through neural anterior zygapophyses, constraining the articulation of this complex.

Morphological variation in the seahorse vertebral system/ Variaciones morfologicas en el sistema vertebral del Caballo de Mar

Intervertebral articulations mediated by zygapophyses. Dorsal zygapophyses prominent on anterior vertebrae, ventral zygapophyses present on posterior precaudal and caudal vertebrae.

Descriptive anatomy of Iso rhothophilus (Ogilby), with a phylogenetic analysis of Iso and a redefinition of Isonidae (Atheriniformes)

Based on a large vertebra (length through the zygapophyses 26.3 mm) from the Late Eocene Moodys Branch Formation of Mississippi, Holman et al.

Size and age class estimates of North American Eocene palaeopheid snakes

The prezygapophyses and postzygapophyses are less developed than the zygapophyses of the cervical vertebra, with a smaller articulation surface.

Postcranial elements of Maledictosuchus riclaensis (Thalattosuchia) from the Middle Jurassic of Spain

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