Intervention; interposition; the act of a third person who interferes between two contending parties with a view to reconcile them or persuade them to adjust or settle their dispute.
Subchondral cyst formation is characteristic of osteoarthritis and can be routinely found on x-rays. A subchondral cyst is a fluid-filled sac that extrudes from the joint, consisting of thickened joint material (mostly hyaluronic acid, a substance found in the normal joint fluid that serves to lubricate the joint). Subchondral bone is the layer of bone just below the cartilage.
Pineal brain cysts: Pineal brain cysts are common but usually very small and causing no problem. Occasionally the cyst might be larger but you would have some symptoms that would lead to a brain scan to confirm or deny a larger brain cyst. Cyst (Definition) A cyst is a structure or mass that consists of a cellular lined sac.