title: T cell development: Tonsils turn out T cells too.
authors.forename: Olive
authors.initials: O
authors.lastname: Leavy
mesh_terms: D006801:Humans; D007694:Killer Cells, Natural / Q000166:cytology*; D038041:Lymphopoiesis; D014066:Palatine Tonsil / Q000276:immunology*; D016176:T-Lymphocyte Subsets / Q000166:cytology*