The part of the skull showing prematurely fused sutures: (A) The first segment is completely fused. (B) The second segment is fused, but still noticeable. (C) The lambdoid portion of the suture is completely open (Image: National Academy of Sciences, PNAS)
An ancient human skull shows signs of a disorder that might have caused mental retardation – and the child's age suggests it had been looked after for years.
No comments:
Post a Comment