Our blood consists of many cell types that develop through different stages from a precursor type -- the blood stem cell. An international research team has now investigated the developmental pathways ...

Hematopoietic (hee-MA-toh-poy-EH-tik) stem cells (usually just called stem cells) grow into all types of blood cells. The white blood cells fight infection, red blood cells carry oxygen, and platelets ...

A paralysed man can stand on his own after receiving an injection of neural stem cells to treat his spinal cord injury. The ...

Within multicellular organisms, tissues are organized communities of cells that work together to carry out a specific function. The exact role of a tissue in an organism depends on what types of ...