Blood cells.
D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D002642:Chick Embryo; D002678:Chimera; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000502:physiology*; D007953:Leukemia, Radiation-Induced / Q000473:pathology; D008407:Mast Cells / Q000166:cytology