Chlamydiaceae
noun pluralMedical Definition of Chlamydiaceae
: a family of bacteria (order Chlamydiales) that are related to members of the order Rickettsiales, that are obligate parasites in the cells of warm-blooded vertebrates, and that include the causative agents of trachoma, lymphogranuloma venereum, and psittacosis — see chlamydiosis
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Merriam-Webster unabridged
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