Reticulum cells, stem cells and lymphocytes.
D000818:Animals; D001853:Bone Marrow / Q000502:physiology; D001854:Bone Marrow Cells; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000166:cytology*; D008214:Lymphocytes / Q000166:cytology*; D008264:Macrophages / Q000166:cytology*; D051381:Rats