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': 'Which is not a fibrous joint: \nSelect and explain. \nA. Gomphoses, B. Cranial sutures, C. First costochondral joint, D. Inferior tibiofibular joint', 'role': 'user'}, {'content': 'Answer: C \nExplanation: First costochondral joint is a hyaline cailage joint (synchondrosis or syscendrosis), which is a type of primary cailagenous joint. Sutures of skull, Inferior tibifibular joint (syndesmosis), denotalveolar joint (gomphosis) are examples of fibrous joint.', 'role': 'assistant'}]