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n. pl. di·a·poph·y·ses (-sēz′) Anatomy
The superior or articular surface of the transverse process of a vertebra.

di·ap′o·phys′i·al (-ăp′ə-fĭz′ē-əl) 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.


n, pl -ses (-ˌsiːz)
(Anatomy) anatomy the upper or articular surface of a transverse vertebral process
[C19: New Latin, from di-2 + apophysis]
diapophysial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
The members of Sauropterygia presents double-headed cervical ribs contacting with the parapophyses in the cervical centra, and with the diapophyses in the cervical neural arches.
The parapophyses are slightly anterior of the diapophyses (*; Fig.
Characters of the diapophyses and parapophyses (presented above) and the overall size of the vertebrae omit the fossils from the Rhyacotritonidae, Ambystomatidae, Dicamptodontidae, and Salamandridae.
(2013b) describe a variation in the cervical vertebrae of Cricosaurus araucanensis, with an increase in the length and width of the centra and the size of the parapophyses and diapophyses, and movement of the parapophyses from a lateroventral position in the centrum to a laterodorsal position.
At least three cervical vertebrae (probably the 5th, 7th and 8th based on the shape and position of the diapophyses and parapophyses) and six dorsal vertebrae (the first five from the thoracic region and one from the lumbar region) have been preserved partially complete (Fig.