In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers have now ...

The embryo was found in a "tucking" position—its head bent forward, feet positioned on either side, and back curved ...

For example bone marrow stem cells only form different ... A small bundle of cells made from embryonic stem cells is called an embryo. A documentary on the discussion around pioneering work ...