title: Differentiation of thymic lymphoid cells during human embryogenesis.
mesh_terms: D002454:Cell Differentiation; D005333:Fetus; D005865:Gestational Age; D006801:Humans; D008221:Lymphoid Tissue / Q000196:embryology; D013601:T-Lymphocytes / Q000502:physiology*; D013950:Thymus Gland / Q000166:cytology / Q000196:embryology*