title: Ultrastructure of antibody-producing cells of reptiles. I. Spleen cells of the tortoise (Agrionemys horsfieldi GRAY).
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells; D006462:Hemolytic Plaque Technique; D008214:Lymphocytes / Q000276:immunology; D008854:Microscopy, Electron; D010587:Phagocytosis; D010873:Pinocytosis; D013154:Spleen / Q000166:cytology*; D014426:Turtles / Q000276:immunology*