title: [The defense mechanism and its weakening: the structure of lesions and their role].
mesh_terms: D000818:Animals; D004696:Endocarditis / Q000473:pathology; D004697:Endocarditis, Bacterial / Q000209:etiology* / Q000382:microbiology; D006330:Heart Defects, Congenital / Q000150:complications*; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans