title: The role of the thymic microenvironment in promotion of early stages of human T cell maturation.
mesh_terms: D002454:Cell Differentiation; D004847:Epithelial Cells; D006801:Humans; D008213:Lymphocyte Activation; D013601:T-Lymphocytes / Q000276:immunology*; D013950:Thymus Gland / Q000166:cytology*