A pregnant woman's blood sample taken in 1972 was mysteriously missing a surface molecule found on all other known red blood ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

A method for imaging the production of blood cells in the bones of mice has revealed the organization of cell lineages, both in a steady state and in response to stressors, such as bleeding and ...

Watch a white blood cell actively searching for bacteria or viruses under the microscope.

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

Lymphocytosis and smudge cells are characteristic signs of chronic lymphocytic leukemia. They can also be signs of conditions such as other cancers, infections, and autoimmune diseases. Lymphocytosis ...