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Unformatted text preview: Actinomyces & Nocardia Nocardia Actinomyces Actinomyces A.israelii, A.israelii, A.naeslundii; Gram positive; Gram sulfur granule; sulfur Related to decay Related tooth and peridentitis peridentitis ACTINOMYCES ACTINOMYCES Anaerobic, filamentous, gram positive bacillus • Exhibit true branching “Mykes” – Greek for “fungus” Thought by early microbiologist to be fungi because of: • • Morphology Disease they cause Clinical specimens:Actinomycosis-pus Clinical ACTINOMYCOSIS ACTINOMYCOSIS Not highly virulent (Opportunist) • Component of Oral Flora Periodontal pockets Dental plaque Tonsilar crypts • Take advantage of injury to penetrate mucosal barriers Coincident infection Trauma Surgery Actinomycosis Actinomycosis A chronic suppurative and granulomatous 肉肉肉 disease of the cervico­facial, thoracic or abdominal areas ACTINOMYCOSIS ACTINOMYCOSIS Form indurated masses with fibrous walls and central loculations with pus • Pus c...
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This note was uploaded on 12/27/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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