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11 years agoWhite blood cells: Description, Classification and Formation
11 years agoBlood Cells and Platelets
11 years agoGram stain of wound specimen
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Aspergillus niger
Aspergillus niger Is filamentous fungi that is found in mesophilic environments.
It is not only a xerophilic fungi, but is also a thermotolerant organism, that produces colonies ...
Haemophilus influenzae diagnosis using Satellite Test
Haemophilus spp does not grow on 5% Sheep Blood Agar, which contains hemin (factor X) but lacks NAD (factor V).
Haemophilus influenzae will grow in the hemolytic zone of ...
Haemophilus influenzae
Haemophilus influenzae is a non-motile Gram-negative, coccobacillary, facultatively anaerobic bacterium, and it’s Oxidase and Catalase postive.
It was mistakenly considered ...
False urine dipstick results duo to strong oxidizing agent
This patient had a Urinalysis, the dipstick results were as follow:
Glucose – 100 mg/dL
Bilirubin – neg
Ketone – neg
Specific Gravity – 1.010
Blood – ...
Erythrocytes and Granulocytes Functions
Erythrocyte:
Usually biconcave and circular outline, devoid of a nucleus. Number in man varies between 5 and 5.5 million per cubic mm of blood. Erythrocytes carry oxygen from ...
How to perform Manual Differential Count
LAB OBJECTIVE
To determine the relative number of each type of white cell present in the blood by performing differential cell counts on five relatively normal blood smears ...
Hanging drop preparation for bacteria motility study
preparation using petroleum jelly to seal the cover glass to the slide.
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Malachite green stain
Place the slide over a beaker of boiling water
When there is condensation under the slide, flood with 5% solution of Malachite green stain 1min
Wash in tap water
Add 0.5% safranine ...
Serum Albumin
Albumin is the predominant plasma protein. It has no known enzymatic or hormonal activity, and accounts for approximately 50% of the protein found in human plasma.
Its normal concentrations ...
Chocolate agar (CHOC) or chocolate blood agar (CBA)
Chocolate agar is a non-selective, enriched growth medium.
It is a variant of the blood agar plate, containing red blood cells that have been lysed by slowly heating to 80 °C.
Chocolate ...


