title: Chicken Harder's gland: evidence for a relatively pure bursa-dependent lymphoid cell population.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D002642:Chick Embryo; D002645:Chickens; D005321:Extraembryonic Membranes / Q000276:immunology; D006087:Graft vs Host Reaction; D007765:Lacrimal Apparatus / Q000276:immunology*; D007962:Leukocytes / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology*; D013154:Spleen / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology