diarthrosis

American  

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

noun

Anatomy.

plural

diarthroses

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

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diarthrosis British  

/ ˌdaɪɑːˈθrəʊsɪs /

noun

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

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Other Word Forms

• diarthrodial adjective

Etymology

Origin of diarthrosis

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

Example Sentences

The ability of the bones to move smoothly against each other within the joint cavity, and the freedom of joint movement this provides, means that each synovial joint is functionally classified as a diarthrosis.

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

A uniaxial diarthrosis, such as the elbow, is a joint that only allows for movement within a single anatomical plane.

From Textbooks • Jun. 19, 2013

The hip and shoulder joints are examples of a multiaxial diarthrosis.

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