title: Marrow-derived thymus precursor cells. Availability and potential for reseeding bone marrow.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D001853:Bone Marrow / Q000276:immunology*; D001854:Bone Marrow Cells; D002454:Cell Differentiation; D005455:Fluorescent Antibody Technique; D006648:Histocompatibility; D007106:Immune Sera; D008214:Lymphocytes / Q000276:immunology; D011830:Radiation Effects; D051381:Rats; D013950:Thymus Gland / Q000276:immunology* / Q000528:radiation effects*
chemical_list: D007106:Immune Sera