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Random articles

AIDS (acquired immunodeficiency syndrome)

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What is AIDS?

AIDS (acquired immunodeficiency syndrome) is a virus which destroys the immune system and leaves the body vulnerable to debilitating infections.

HIV antibody test

This test detects HIV antibodies in blood or other body fluids. HIV, human immunodeficiency virus, is the virus that causes AIDS (acquired immunodeficiency syndrome). When HIV enters the body, such as through contact with an infected individual or contaminated needle, the immune system responds by p...Read more

Antibiotic Susceptibility Test

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This test for testing number of antibiotics against certain organism to find the best one and the most effective on this organism.

Steps:
-Take a swap from the colony by a sterile wire loop and culture it on Muller-hinton agar.
-Leave it incubated for 24 hours at 37ºC.

Result:
You notice now the larger clear zone around an antibiotic means that this antibiotic is the best.
See Samples below......Read more

White blood corpuscles leucocytes

Number:
- Number of WBC's ranges between 4000 - 11000 corpuscles / mm^2, and in new born the total WBC's are 16000 / mm^2 of the blood.

Shape:
- Spherical.

Size:
- Vary in size and ranges from 5.2 µ.

Color:
- colorless or greyish-white.

Function:
- Phagocytosis of toxin,bacteria and dead cells.
- Production of proteolytic enzymes ( Pepsin & trypsin ).
- Antibody formation.

Types of Leucocytes:
- Granulocytes: Neutrophil , Eosinophi...Read more