They are crescent-shaped fibrocartilage found in various joints of the body. The most well-known are those of the knees and serve as cushions or cushions. They are also found on the wrists, the ends of the collarbone and in the ribs.
From Greek meniskos, diminutive of menes, lunite, small moon. It is a cartilage with this shape or the disc, present in our joints, as in the knee, which gives stability and cushions the bone shocks of the joint.