1. No operation obtained curative effects. Symptoms can be eliminated by the excision of the menisci with sclerosis denaturalization .

2. The arteries of the posterior part of menisci come from the posterior medial and lateral genicular arteries.

3. Objective To summarize the characteristics of clinic and pathology of the knee menisci injury with sclerosis denaturalization and to discuss the mechanism of the sclerosis and its clinic significance.

4. ‘What you are feeling is the Condyle of the lower jaw.’ ‘Stability of the knee depends on the shape of the Condyles and menisci in combination with ligamentous and muscular structures.’ ‘Some of the tendinous fibers of vastus lateralis and vastus medialis run on each side of the patella to the tibial Condyles.’