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[dahy-uh-pof-uh-sis] /ˌdaɪ əˈpɒf ə sɪs/
noun, plural diapophyses
[dahy-uh-pof-uh-seez] /ˌdaɪ əˈpɒf əˌsiz/ (Show IPA).
Anatomy, Zoology.
the part of the transverse process of a thoracic vertebra that articulates with its corresponding rib.
Origin of diapophysis
From New Latin, dating back to 1854; See origin at di-3, apophysis
Related forms
[dahy-ap-uh-fiz-ee-uh l] /ˌdaɪ æp əˈfɪz i əl/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for diapophysis


noun (pl) -ses (-ˌsiːz)
(anatomy) the upper or articular surface of a transverse vertebral process
Derived Forms
diapophysial (ˌdaɪæpəˈfɪzɪəl) adjective
Word Origin
C19: New Latin, from di-² + 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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diapophysis in Medicine

diapophysis di·a·poph·y·sis (dī'ə-pŏf'ĭ-sĭs)
n. pl. di·a·poph·y·ses (-sēz')
The superior or articular surface of the transverse process of a vertebra.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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