Medullary Bone

Some articles on bone, medullary bone:

Physiology Of Dinosaurs - Reproductive Biology
... of some bird species grow a special type of bone in their limbs between the hard outer bone and the marrow ... This medullary bone, which is rich in calcium, is used to make eggshells, and the birds that produced it absorb it when they have finished laying eggs ... Medullary bone has been found in fossils of the theropods Tyrannosaurus and Allosaurus and of the ornithopod Tenontosaurus ...
Dinosoor - Biology - Reproductive Biology
... When laying eggs, females grow a special type of bone between the hard outer bone and the marrow of their limbs ... This medullary bone, which is rich in calcium, is used to make eggshells ... a Tyrannosaurus rex skeleton provided evidence of medullary bone in extinct dinosaurs and, for the first time, allowed paleontologists to establish the sex of a fossil dinosaur specimen ...

Famous quotes containing the word bone:

    People who love soft methods and hate iniquity forget this,—that reform consists in taking a bone from a dog. Philosophy will not do it.
    John Jay Chapman (1862–1933)