<prompt> Sternochondral joint is ?Primary cailaginousSecondary cailaginousFibrousSynol  <response>: Ans. is a i.e., Primary cailaginousCostochondral sternochondral joints are primary cailaginous joints.Cailaginous joints 1 Primary cailaginous joints synchondrosis, or hyaline cailage joint : These are :-Joint between epiphysis and diaphysis of a growing long bone, i.e. physis.Spheno-occipital joint1st costosternal joint 1st chondrosternal jointCostochondral joints2 Secondary cailaginous joints Symphyses or fibrocailaginous joints : These are :-Symphysis pubis manubriosternal joint Symphysis mentiSacroccygeal jointinterveebral disc 