White blood cell White blood cell White blood cells (also called leukocytes or leucocytes and abbreviated as WBCs) are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system. All white blood cells have nuclei, which distinguishes them from the other blood cells, the anucleated red blood cells (RBCs) and platelets. Types of white blood cells can be classified in standard
The Blood Cell The Blood Cell The Blood Cell is a BBC Books original novel written by James Goss and based on the long-running British science fiction television series "Doctor Who". It features the Twelfth Doctor and Clara Oswald. The book was released on 11 September 2014 along with "Silhouette" and "The Crawling Terror". "The Blood Cell" gained generally positive reviews, calling it an "effective chiller". Most of them commented the unusual way of narration from the first-person perspective of the administrator of the prison in which the book is set known as the Governor. More grim and darker tone is also noted.