The membrane that lines the ligament surrounding a freely movable joint (such as that at the hip or elbow). It secretes a fluid (synovial fluid) that lubricates the layers of cartilage forming the articulating surfaces of the joint.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。