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': 'Lambda is meeting point of: \nSelect and explain. \nA. Coronal and sagittal suture, B. Coronal and lambdoid suture, C. Sagittal and lambdoid suture, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The lambda is the meeting point between the sagittal and lambdoid sutures. In the foetal skull, this is the site of the posterior fontanelle which closes at two to three months of age.', 'role': 'assistant'}]