title: [The parasite and the host's defense system].
mesh_terms: D000220:Adaptation, Biological; D000367:Age Factors; D000917:Antibody Formation; D004463:Ecology; D010271:Parasites / Q000254:growth & development*; D010272:Parasitic Diseases / Q000276:immunology*
vernacular_title: Pasozyt a układ obronny zywiciela.