Atlas of MICROBIOLOGY

Bacterial Structure 1

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Bacterial Structure 2

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Blood agar showing Non-haemolytic bacteria
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Blood agar showing complete haemolysis
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MacConkey agar showing colonies of E.coli : Lactose fermenter

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MacConkey agar showing colonies of Klebsiella : Mucoid and Lactose fermenter
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Aneaerobic Jar

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Test For Bacterial motility in deep agar

Lateral opacity = Motile bacteria:tube to the left

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Urease test
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Oxidase test

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Indole test, Positive

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Coagulase test: Positive
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API test
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Antibiotic sensitivity test: Agar diffusion method
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Staphylococci in pus
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Staphylococci from culture
-------------------------------------------------------------------- Streptococci in pus
----------------------------------------- Streptococci from culture
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Pneumococci in Tissues

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Pneumococci in Pus

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Pneumococci in Blood
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Pneumococci from culture
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Neisseria in pus

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Niesseria in Pus
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C. diphtheria by Gram stain

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C. diphtheria by methylene blue stain
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B. anthracis in Pus

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B.Anthracis in blood

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B. anthracis from culture

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C. tetani : negative staining

------------------------------------------------- Acid Fast Bacilli : ZN stain

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Acid Fast Bacilli : Fluorescent Stain

Auramine-phenol method

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Klebsiella bacilli in tissues

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Proteus growth : Swarming

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V. cholera

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Yersinia in Blood

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Treponema pallidum by Fontana stain