pivot joint(redirected from trochoid articulation)
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A joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, permitting rotating movement, as in the proximal articulation between the radius and ulna. Also called rotary joint, trochoid joint.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||pivot 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"|
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