Medical Dictionary


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

Medical Definition of arthrocentesis



  1. :  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. Pasternack, The New England Journal of Medicine, 21 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 Parikh, The Los Angeles Times, 30 Mar. 2009>

Seen and Heard

What made you want to look up arthrocentesis? Please tell us where you read or heard it (including the quote, if possible).