##  [Arthrocentesis](/index.php/arthrocentesis) 

  ##  [Arthrocentesis](https://health.quantumdictionary.io/arthrocentesis-0) 

  

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**Health & Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A percutaneous needle procedure that accesses a synovial joint space to withdraw synovial fluid for laboratory analysis or to evacuate excess intra‑articular fluid for symptomatic relief; performed with anatomical localization and aseptic technique and distinct from surgical synovial biopsy.