[A morphological study of bronchus-associated lymphoid tissue (BALT)].
D000818:Animals; D001980:Bronchi / Q000648:ultrastructure*; D002417:Cattle; D004848:Epithelium / Q000648:ultrastructure; D008221:Lymphoid Tissue / Q000648:ultrastructure; D008264:Macrophages / Q000648:ultrastructure; D011817:Rabbits; D051381:Rats