title: Electron microscopic observation of syphilid. II. The ultrastructure of rabbit syphilitic orchitis.
mesh_terms: D000818:Animals; D008297:Male; D008854:Microscopy, Electron; D009920:Orchitis / Q000473:pathology*; D011817:Rabbits; D013587:Syphilis / Q000473:pathology*; D013737:Testis / Q000473:pathology; D014210:Treponema pallidum