Fine structure of bone in dinosaurs, birds and mammals

After observation of detailed structural evidence for the origin of birds from dinosaurs1, and in light of evidence that dinosaur bone tissue resembles the histology in mammals2, the histology of bone has become one of the focal points in discussions of the physiology of dinosaurs and Mesozoic birds3,4,5,6,7,8,9,10. Most of this microstructural information has focused on features related to the vascular organization and the amount of remodelled...