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Anatomy of Knee Arthritis – Cartilage

April 19, 2011
Knee Cartilage

Knee Cartilage

Cartilage is a slippery cushion-like tissue between your bones. It serves as a smooth, resilient cushion that allows your knee joint to move freely.

There are two types of joint cartilage in your knees: fibrous and hyaline.

1.  Fibrous cartilage comprises the menisci, two pads of cartilage that disperse friction in between the lower leg and thigh. Acting like shock absorbers, it has tensile strength and can resist pressure.

2.  Hyaline cartilage covers the bony surfaces that joints move along. Flexible and strong, its smooth surface is slippery. This allows the knee joint to move easily. Hyaline cartilage will wear over the years, and has a limited capacity for self-restoration.

Osteoarthritis occurs when the cartilage in your knee erodes.



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