There are many different types of cells in animals. Each type is specialised for a particular role. These ensure that the organism functions as a whole. The head of the sperm contains the genetic ...

All these progeny cells have defined positions in the different organs. To maintain its function and continue to produce new stem cells, the stem cell can divide into and produce more stem cells ...

However, the multiple cell types within a tissue don't just have different functions. They also have different transcriptional programs and may well divide at different rates. Proper regulation of ...

We're all very complex organisms, made up of lots of different types of cells carrying out different jobs in our bodies; such as nerve cells, blood cells, fat cells and muscle cells. So ...