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diarthrosis

American

[dahy-ahr-throh-sis] / ˌdaɪ ɑrˈθroʊ sɪs /

noun

Anatomy.

plural

diarthroses

a form of articulation that permits maximal motion, as the knee joint.

diarthrosis British

/ ˌdaɪɑːˈθrəʊsɪs /

noun

anatomy any freely movable joint, such as the shoulder and hip joints

"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

Other Word Forms

diarthrodial

adjective

Etymology

Origin of diarthrosis

1570–80; < New Latin < Greek; see di- ³, arthrosis ¹

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A uniaxial diarthrosis allows movement within a single anatomical plane or axis of motion.

From Textbooks • Jun. 19, 2013

Since the rotation is around a single axis, pivot joints are functionally classified as a uniaxial diarthrosis type of joint.

From Textbooks • Jun. 19, 2013

All synovial joints are functionally classified as a diarthrosis joint.

From Textbooks • Jun. 19, 2013

A biaxial diarthrosis, such as the metacarpophalangeal joint, allows for movement along two planes or axes.

From Textbooks • Jun. 19, 2013

Articulation, usually that kind of articulation which admits of free motion in the joint; diarthrosis.

From Webster's Unabridged Dictionary by Webster, Noah

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023