What is "arthrocentesis"

n. (context surgery English) The clinical procedure of using a syringe to collect synovial fluid from a joint capsule, used in the diagnosis of gout, arthritis, and synovial infections.

n. removal of fluid from a joint by centesis

Arthrocentesis (, a joint + kentēsis, puncture) is the clinical procedure of using a syringe to collect synovial fluid from a joint capsule. It is also known as joint aspiration. Arthrocentesis is used in the diagnosis of gout, arthritis, and synovial infections such as septic arthritis.