Medical Definition of Arthro-

Arthro-: A prefix meaning joint, as in arthropathy and arthroscopic. Before a vowel, it becomes arthr-, as in arthralgia and arthritis. From the Greek word arthron for joint. Ultimately from an Indo-European root meaning to join or to fit together.

Quick GuideRheumatoid Arthritis (RA) Symptoms & Treatment

Rheumatoid Arthritis (RA) Symptoms & Treatment

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Last Editorial Review: 5/13/2016

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