A 12 year-old boy is brought in with a bone fracture injury. The injury occurred when he was running and fell forward, landing on his right arm. His right elbow appears broken, and part of the bone in the upper arm appears to be protruding from the skin. There appear to be fragments of bone in the wound. The child is lactose intolerant. When questioned, the boy’s mother tells you that he never consumes dairy products and will only eat burgers, hot dogs, spaghetti, and junk food.
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Bones
How they form
Before week 8, the embryonic skeleton consists only of fibrous connective tissue membranes and hyaline cartilage
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