Thymus studies in germfree (axenic) mice.
D000818:Animals; D001835:Body Weight; D005856:Germ-Free Life; D006086:Graft vs Host Disease / Q000209:etiology; D051379:Mice; D009929:Organ Size; D013934:Thymectomy; D013950:Thymus Gland / Q000254:growth & development*