hydrarthrosis

[ hī′drär-thrōsĭs ]

n.

An effusion of serous fluid into a joint cavity.
Related formshy′drar•throdi•al (-thrōdē-əl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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