Knee replacement, also called knee arthroplasty or total knee replacement, is a surgical process to The synovial membrane secretes synovial fluid (a clear, sticky fluid) round the joint to lubricate it. Ligament. A kind of hard, elastic connective tissue that surrounds the joint to present assistance and boundaries the joint's https://www.theorthopaedicandpainpractice.com/the-benefits-and-risks-of-knee-replacement-surgery/