Differentiation
The process whereby an unspecialized early embryonic cell acquires the features of a specialized cell such as a heart, liver, or muscle cell.
Directed differentiation
Manipulating stem cell culture conditions to induce differentiation into a particular cell type.
DNA
Deoxyribonucleic acid, a chemical found primarily in the nucleus of cells. DNA carries the instructions for making all the structures and materials the body needs to function.