Mechanism of damage to the stem cell population.
D000741:Anemia, Aplastic / Q000473:pathology; D000818:Animals; D001853:Bone Marrow / Q000473:pathology; D001854:Bone Marrow Cells; D002454:Cell Differentiation; D002455:Cell Division; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000187:drug effects / Q000473:pathology* / Q000528:radiation effects; D006801:Humans; D051379:Mice; D013154:Spleen / Q000166:cytology