This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Sternochondral joint is ? \nSelect and explain. \nA. Primary cailaginous, B. Secondary cailaginous, C. Fibrous, D. Synol', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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", 'role': 'assistant'}]