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− | ***Commensal of oral cavity of dogs and humans
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− | ***Canine actinomycosis
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− | ***Causes localised subcutaneous pyogranulomatous lesions and fibrovascular proliferation of peritoneal ([[Peritonitis - Cats and Dogs|peritonitis]]) and pleural surfaces in dogs
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− | ***Leads to [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]]
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− | ***Respiratory distress
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− | ***[[Bacterial skin infections - Pathology#Bacterial granulomatous dermatitis|Cutaneous pustules]] in horses
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− | ***Abortion in cattle
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− | ***Rods contained in soft grey granules which release the organism when squashed
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− | ***Two types of colonies: large and smooth colonies with V, Y and T configurations or small and rough colonies with short branching filaments
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− | ***Grow in 10% carbon dioxide
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− | ***Usually responds to penicillin
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− | [[Category:Actinomyces]][[Category:Dog]][[Category:Horse]][[Category:Cattle]] | + | ==Overview== |
− | [[Category:To_Do_-_Bacteria]] | + | ''Actinomyces viscosus'' is a species of the ''[[Actinomyces species - Overview|Actinomyces]]'' genus. It is a commensal of the oral cavity of dogs and humans. |
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| + | ==Pathogenesis== |
| + | ''A.viscosus'' is involved in canine actinomycosis and causes localised, subcutaneous pyogranulomatous lesions and fibrovascular proliferation of peritoneal ([[Peritonitis - Cats and Dogs|peritonitis]]) and pleural surfaces in dogs. |
| + | It leads to [[Pleural Cavity & Membranes Inflammatory - Pathology#Pyothorax (Thoracic empyema)|pyothorax]], respiratory distress, [[Bacterial skin infections - Pathology#Bacterial granulomatous dermatitis|Cutaneous pustules]] in horses and abortion in cattle. |
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| + | ==Cultures== |
| + | ''A.viscosus'' rods are contained in soft grey granules which release the organism when squashed. There are two types of colonies: large and smooth colonies with V, Y and T configurations or small and rough colonies with short branching filaments. They grow in 10% carbon dioxide and usually respond to penicillin. |
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| + | [[Category:Actinomyces]] |
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| + | [[Category:To_Do_-_AimeeHicks]] |