Final answer:
Arthrocentesis is the surgical puncture of a joint for fluid removal. It is a medical procedure used to diagnose and treat joint conditions, providing important diagnostic information and symptom relief.
Step-by-step explanation:
The surgical puncture of a joint for removal fluid is called arthrocentesis. It is a medical procedure used to diagnose and treat certain conditions affecting the joints. During arthrocentesis, a needle is inserted into the joint space to withdraw fluid for examination or to remove excess fluid that may be causing pain and swelling. This procedure can provide important diagnostic information and also help to relieve symptoms.