diarthrosis

di·ar·thro·sis  (där-thrss)

n. pl. di·ar·thro·ses (-sz)

Any of several types of bone articulation permitting free motion in a joint, as that of the shoulder or hip.

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[Greek diarthrsis, from diarthroun, to articulate : dia-, between; see dia- + arthroun, to fasten by a joint (from arthron, joint; see ar- in Indo-European roots).]

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diar·throdi·al (-d-l) adj.

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diarthrosis [ˌdaɪɑːˈθrəʊsɪs]

n pl -ses [-siːz]

(Life Sciences & Allied Applications / Anatomy) Anatomy any freely movable joint, such as the shoulder and hip joints

[New Latin, from di-² + Greek arthrōsis, from arthroun to fasten by a joint, from arthron joint]

diarthrodial  adj

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diarthrosis

a joint or articulation, as that at the knee, which allows maximum movement.

See also: Body, Human, Bones

Thesaurus

Noun

1.

diarthrosis - a joint so articulated as to move freely articulatio synovialis, synovial joint articulatio temporomandibularis, mandibular joint, temporomandibular joint - the joint between the head of the lower jawbone and the temporal bone articulatio plana, gliding joint - a freely moving joint in which the articulations allow only gliding motions ginglymoid joint, ginglymus, hinge joint - a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane knuckle, knuckle joint, metacarpophalangeal joint - a joint of a finger when the fist is closed articulatio, joint, articulation - (anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion) articulatio spheroidea, ball-and-socket joint, cotyloid joint, enarthrodial joint, enarthrosis, spheroid joint - a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone articulatio trochoidea, pivot joint, rotary joint, rotatory joint - a freely moving joint in which movement is limited to rotation; "the articulation of the radius and ulna in the arm is a pivot joint"