"Notochord" Quotes from Famous Books
 ... thousand years ago, in the developing egg of the hen there soon appears the beating heart! There is nothing like this in the non-living world. But to return to the developing human embryo, there is formed from and above the embryonic food-canal a skeletal rod, which is called the notochord. It thrills the imagination to learn that this is the only supporting axis that the lower orders of the backboned race possess. The curious thing is that it does not become the backbone, which is certainly one ...
— The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson |
