The development of antibody forming cells in the spleen of primary immunized rats during the postnatal period.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D004912:Erythrocytes; D007114:Immunization; D007274:Injections, Intraperitoneal; D051381:Rats; D012756:Sheep; D013154:Spleen / Q000166:cytology / Q000276:immunology*