title: Growth and development of recirculating lymphocytes in the sheep fetus.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001769:Blood; D005260:Female; D005333:Fetus / Q000276:immunology*; D005865:Gestational Age; D007156:Immunologic Memory; D008198:Lymph Nodes / Q000276:immunology; D008208:Lymphatic System / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology*; D051379:Mice; D011247:Pregnancy; D051381:Rats; D012756:Sheep; D013601:T-Lymphocytes / Q000145:classification / Q000276:immunology; D013897:Thoracic Duct / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology