Researchers have carried out the first detailed study of the molecular mechanisms responsible for formation of the brachiopod shell. Comparison with shell synthesis in other groups reveals the deep ...

Researchers have for the first time made high-resolution images of the earliest stages of bone formation. They used the world's most advanced electron microscope to make three-dimensional images of ...

Egg shell formation for Parastrigea mexicanus is described. Eleven histochemical tests were used to elucidate the process and to characterize the oogenotop. The egg is formed in the ootype (a region ...