title: Transitional cells of hemopoietic tissues: origin, structure, and development potential.
mesh_terms: D000818:Animals; D001854:Bone Marrow Cells; D002454:Cell Differentiation; D002455:Cell Division; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D004920:Erythropoiesis; D005333:Fetus / Q000166:cytology; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000166:cytology / Q000502:physiology* / Q000528:radiation effects; D000860:Hypoxia / Q000503:physiopathology; D008099:Liver / Q000166:cytology / Q000196:embryology; D008214:Lymphocytes / Q000502:physiology; D013154:Spleen / Q000166:cytology; D015017:Yolk Sac / Q000166:cytology