Sunday, September 14, 2008

Menisci of the knee

1. What is the function of the menisci of the knee?
2. What is the vascular supply of the menisci?
3. What are the shapes of the two menisci?

Answers:
1. The menisci are fibrocartilage of crescent shape, which deepen the articular surface of the tibia for stability.
2. The peripheral 1/3 of the menisci are well vascularized and the inner 2/3 of the menisci are not well vascularized and can't usually be surgically repaired.
3. The medial meniscus is C-shaped and adheres to the MCL. The lateral meniscus is circular.

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