Knee joint

Cartilage covers the end of bones in joints to provide shock absorption during movement. The synovium is the membrane that surrounds the joint and is filled with synovial fluid, which provides nutrients and oxygen to the cartilage.

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Review Date: 12/22/2010
Reviewed By: Harvey Simon, MD, Editor-in-Chief; Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital.

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