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It involves creating small holes in the bone under the cartilage defect that stimulate the growth of fibrocartilage, a type of cartilage that resembles scar tissue.

Eventually, fibrocartilage is formed, which helps fills in the holes created by damaged cartilage.

Tendons, ligaments, and subchondral bone are classified as “significantly” pain-sensitive, while muscle and cortical bone’s sensitivity has been established as “moderate,” and articular cartilage and fibrocartilage’s as “mild.”

In the second stage, from the tenth to the twentieth day, the tumor or callus is formed and fibrocartilage is developed inside and around the exposed end of the bone.

It slowly resumed the normal position by the elasticity of the intervertebral fibrocartilage, and there was complete recovery in ten days.