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Skeleton Keys - The Scientist -
August 16, 2011
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Little attention has been given to how limb symmetry is achieved, even though much is known about how bones themselves grow. Limb structures are specified in the embryo and then grow for some 16 years. We do not even know why they finally stop growing or why their growth rate varies at different ages. Arm length matches with extraordinary accuracy, varying by no more than about 2%. Yet much about how this finely tuned growth is controlled remains a mystery. Tags: biology developmental biology -
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