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Bartonella

Bartonella A genus of tiny gram negative bacilli. The pathogenic species include: Bartonella bacilliformis – causing oroya fever Bartonella henselae – causing cat scratch disease Bartonella quintana –
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Clonidine

Clonidine Clonidine is an imidazoline derivative and is a Alpha 2 adrenergic agonist, particularly alpha 2a. The hemodynamic effects are due to activation of Alpha 2 (especially alpha
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Pfeiffer's bacillus

Haemophilus influenzae in blood agar Pfeiffer’s bacillus is Haemophilus influenzae. It is also known as influenza bacillus. It is a small gram negative bacillus first observed by Pfeiffer
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Mycobacterium marinum

It is a non tuberculous mycobacteria belonging to the group ‘photochromogens’ and is the causative factor for swimming pool granuloma. It is similar to M.kansasii. Differentiating features of
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Photochromogens

It is the group of non tuberculous mycobacteria forming Group I of Runyon’s Classification of non tuberculous mycobacteria.  Features: They do not form pigment when kept in the
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