system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Arnold head is a feature of:
assistant
The correct answer is  Cleidocranial dysplasia is characterized by abnormalities of skull, shoulder girdle, jaws and teeth. In the skull, delayed closing of sutures and wormian bones are common. The characteristic skull abnormalities are sometimes referred to as "Arnold head".