The normal microbial flora as a major stimulus for proliferation of plasma cells synthesizing IgA in the gut. The germ-free intestinal tract.
D000818:Animals; D005455:Fluorescent Antibody Technique; D005856:Germ-Free Life; D007106:Immune Sera; D007422:Intestines / Q000382:microbiology; D051379:Mice; D008856:Microscopy, Fluorescence; D010950:Plasma Cells / Q000032:analysis / Q000276:immunology*; D005719:gamma-Globulins / Q000032:analysis
D007106:Immune Sera; D005719:gamma-Globulins