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
True about clavicle?
assistant
The correct answer is  Ans:C.)No medullary cavity. Peculiarities of Clavicle: It has no medullary cavity It is the first bone to ossify in the fetus (5th-6th week) It is the only long bone having 2 primary centers of ossification (others have only 1) It is the only long bone that ossifies in membrane and not in cailage It is the only long bone lying horizontally It is the most common fractured long bone in the body It is subcutaneous throughout