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n. pl. am·phi·ar·thro·ses (-sēz)
A type of articulation between bony surfaces that permits limited motion and is connected by ligaments or elastic cartilage, such as that between the vertebrae.
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 (-siːz)
(Anatomy) anatomy a type of articulation permitting only slight movement, as between the vertebrae of the backbone
[C19: from amphi- + Greek arthrōsis articulation, from arthron a joint]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014