Medical Dictionary

arthrocentesis

noun ar·thro·cen·te·sis \ ˌär-(ˌ)thrō-sen-ˈtē-səs \

medical Definition of arthrocentesis

plural arthrocenteses play \-ˌsēz\
:surgical puncture of a joint especially for aspiration of fluid from the joint
  • Arthrocentesis of the right elbow joint was performed in the emergency department; the aspirate was orange-tinted, with 17,250 white cells per cubic millimeter …
  • —Benjamin T. Davis and Mark S. PasternackThe New England Journal of Medicine21 June 2007
  • I asked him to do an arthrocentesis—put a needle in the ankle and get a sample of the suspicious fluid causing the swelling.
  • —Rahul ParikhThe Los Angeles Times30 Mar. 2009

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