Sternochondral joint is ?: (A) Primary cailaginous, (B) Secondary cailaginous, (C) Fibrous, (D) Synol
Answer is A. 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 joint)Costochondral joints2) Secondary cailaginous joints (Symphyses or fibrocailaginous joints) : These are :-Symphysis pubis manubriosternal joint Symphysis mentiSacroccygeal jointinterveebral disc