The inflammatory variant of the above described synovitis is rheumatoid arthritis (RA). Also of unfamiliar origins, this DJD also ends in obliteration with the articular cartilage on the joint with consequent distortion and stiffness of the joint. Joints, comprised of bones and connective tissue, embryologically develop from mesenchyme. Bones could https://www.amazon.com/dp/B082XJ4R2F