noun
arthrocentesis; joint aspiration; joint puncture
Medical procedure to aspirate fluid from a joint space for diagnosis or treatment.
膝の腫れがひどいので、関節穿刺を行って関節液を調べます。
Because the knee swelling is severe, we will perform arthrocentesis and examine the joint fluid.
Compound of 関節 (joint) and 穿刺 (puncture, centesis).