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ENARTHROSIS

 - 8 dictionary results

en⋅ar⋅thro⋅sis

  [en-ahr-throh-sis]
Use ENARTHROSIS in a Sentence
–noun, plural -ses  [-seez] . Anatomy, Zoology.
ball-and-socket joint.
Origin:
1625–35; < NL < Gk enárthrōsis; see en- 2 , arthrosis 1

Related forms:
en⋅ar⋅thro⋅di⋅al  [en-ahr-throh-dee-uhl] , adjective

ball-and-socket joint

  [bawl-uhn sok-it]
–noun
1. Also called enarthrosis. Anatomy, Zoology. a joint in which the rounded end of one bone fits into a cuplike end of the other bone, allowing for relatively free rotary motion, as at the hip or shoulder.
2. Also called ball joint. a similar joint between rods, links, pipes, etc., consisting of a ball-like termination on one part held within a concave, spherical socket on the other.
Origin:
1660–70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ball-and-sock·et joint   (bôl'ən-sŏk'ĭt)
n.  

  1. A synovial joint, such as the shoulder or hip joint, in which a spherical knob or knoblike part of one bone fits into a cavity or socket of another, so that some degree of rotary motion is possible in every direction. Also called enarthrosis.

  2. A joint, as in a mechanical device, that permits rotary movement in all directions through the movement of a ball in a socket. Also called ball joint.

en·ar·thro·sis   (ěn'är-thrō'sĭs)   
n.   pl. en·ar·thro·ses (-sēz) Anatomy
See ball-and-socket joint.

[Greek enarthrōsis, from enarthros, jointed : en-, in; see en-2 + arthron, joint; see ar- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: ball–and–socket joint
Function: noun
: an articulation (as the hip joint) in which the rounded head of one bone fits into a cuplike cavity of theother and admits movement in any direction called also enarthrosis

Main Entry: en·ar·thro·sis
Pronunciation: "en-"är-'thrO-s&s
Function: noun
Inflected Form: plural en·ar·thro·ses /-"sEz/
: BALL-AND-SOCKET JOINT
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

ball-and-socket joint n.
A multiaxial joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone, as in the hip joint. Also called cotyloid joint, enarthrodial joint, enarthrosis, spheroid joint.

enarthrosis en·ar·thro·sis (ěn'är-thrō'sĭs)
n.
See ball-and-socket joint.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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