Artificial thymus can produce T-cells.
McCarthy
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D000818:Animals; D001187:Artificial Organs; D020099:Coated Materials, Biocompatible; D006412:Hematopoietic Stem Cells / Q000166:cytology; D006801:Humans; D051379:Mice; D009940:Organoids / Q000502:physiology* / Q000648:ultrastructure; D013601:T-Lymphocytes / Q000166:cytology* / Q000502:physiology; D013635:Tantalum / Q000502:physiology*; D013950:Thymus Gland / Q000166:cytology
D020099:Coated Materials, Biocompatible; D013635:Tantalum