The development of the red pulp in the spleen.
D000818:Animals; D000831:Animals, Newborn / Q000254:growth & development; D001835:Body Weight; D004900:Erythroblasts / Q000502:physiology; D005260:Female; D006410:Hematopoiesis; D008214:Lymphocytes / Q000502:physiology; D008297:Male; D008533:Megakaryocytes / Q000502:physiology; D010950:Plasma Cells / Q000502:physiology; D051381:Rats; D011919:Rats, Inbred Strains; D013154:Spleen / Q000033:anatomy & histology / Q000166:cytology / Q000254:growth & development*