The menisci in the knee joint can be torn for a variety of reasons. Considering the structure of the menisci, would you expect these tears to heal on their own? Why or why not?

a) The medial meniscus is attached to the tibial collateral ligament, so fibroblasts in the ligament can divide and differentiate into chondrocytes to repair the meniscus.

b) Menisci tears do not heal on their own because the menisci are composed of hyaline cartilage and do not have an extensive blood supply.

c) Menisci tears can heal quickly because of the nutrients surrounding them in the synovial fluid.

d) Menisci tears do not heal on their own because the menisci are composed of fibrocartilage and do not have an extensive blood supply.

Question

22-04-2020
Medicine

contestada

The menisci in the knee joint can be torn for a variety of reasons. Considering the structure of the menisci, would you expect these tears to heal on their own? Why or why not?

a) The medial meniscus is attached to the tibial collateral ligament, so fibroblasts in the ligament can divide and differentiate into chondrocytes to repair the meniscus.

b) Menisci tears do not heal on their own because the menisci are composed of hyaline cartilage and do not have an extensive blood supply.

c) Menisci tears can heal quickly because of the nutrients surrounding them in the synovial fluid.

d) Menisci tears do not heal on their own because the menisci are composed of fibrocartilage and do not have an extensive blood supply.

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mandhlelaz mandhlelaz · Answer 1 · 2020-04-23T06:15:52+02:00

Answer:c) Menisci tears can heal quickly because of the nutrients surrounding them in the synovial fluid.

Explanation:Menisci tears do recover quickly due to the sufficient nutrients they draw from the synovial fluid surrounding them.

If the tear occurs mostly in the outer one third of the meniscus, it is likely to heal itself because of the sufficient blood supply and blood cells which repairs the meniscus by regenerating new meniscus tissue.