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zygapophysis

[zig-uh-pof-uh-sis, zahy-guh-]

noun, plural zyg·a·poph·y·ses

[-seez] . Anatomy.

one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.

Origin:
1850–55; zyg- + apophysis

Related forms

zyg·ap·o·phys·e·al, zyg·ap·o·phys·i·al

[zig-ap-uh-fiz-ee-uhl, zahy-gap-] , adjective

post·zyg·ap·o·phys·e·al, adjective

post·zyg·ap·o·phys·i·al, adjective

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Zygapophysis is always a great word to know.

So is scapula. Does it mean:

either of two flat, triangular bones, each forming the back part of a shoulder; a shoulder blade

one of the minute, coiled, tubular glands of the skin that secrete sweat

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Collins

World English Dictionary

zygapophysis (ˌzɪɡəˈpɒfɪsɪs, ˌzaɪɡə-)

—n , pl -ses
	anatomy, zoology one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra

[C19: from zygo- + apophysis]

zygapophyseal

—*adj*

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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zygapophysis

zyg·a·poph·y·sis