Rickettsiaceae

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Noun1.Rickettsiaceae - microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
bacteria family - a family of bacteria
order Rickettsiales, Rickettsiales - pleomorphic Gram-negative microorganisms
genus Rickettsia - can cause typhus and Rocky Mountain spotted fever in humans
rickettsia - any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings