title: The nature and mechanism of stimulation of immune responsiveness by thymus extracts.
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells; D002250:Carbon Radioisotopes; D002454:Cell Differentiation; D002478:Cells, Cultured; D000242:Cyclic AMP / Q000378:metabolism; D003513:Cycloheximide; D004247:DNA / Q000096:biosynthesis; D006087:Graft vs Host Reaction; D007930:Leucine / Q000378:metabolism; D008214:Lymphocytes / Q000378:metabolism*; D051379:Mice; D008810:Mice, Inbred C57BL; D013154:Spleen / Q000166:cytology; D013934:Thymectomy; D013949:Thymus Extracts / Q000494:pharmacology*; D014020:Tissue Extracts; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D013949:Thymus Extracts; D014020:Tissue Extracts; D014316:Tritium; D004247:DNA; D003513:Cycloheximide; D000242:Cyclic AMP; D007930:Leucine