Tag: Helicobacter pylori

Urease Test- Principle, Media, Procedure and Result 4.47/5 (70)

Result Interpretation of Urease Test

Urease Test- Principle, Media, Procedure and Result Urea Agar was developed by Christensen in 1946 for the differentiation of enteric bacilli. The urease test is used to determine the ability of an organism to split urea, through the production of the enzyme urease. Principle of Urease Test Urea is the product of decarboxylation of amino acids. Hydrolysis […]

Morphology of Helicobacter pylori 3.86/5 (7)

Gram Stain of Helicobacter pylori ( Gram Negative )

Morphology of Helicobacter pylori 1. They are gram negative, spiral shaped or curved rods bacteria. 2. They are 0.5 – 0.9 um wide by 2 – 4 um long with one to three turns when observed in vivo. 3. They are highly motile with one to four unipolar sheahted flagella. 4. Each flagellum is approx. […]

Habitat of Helicobacter pylori 2.92/5 (12)

Helicobacter pylori in stomach

Habitat of Helicobacter pylori 1. The natural habitat of H. pylori species is gastrointestinal tract of mammals and birds. 2. H. pylori was first identified in human intestinal biopsies in 1983. 3. They inhabit the surface of stomach mucosa. 4. Majority of H. pylori are located adjacent to surface and pit gastric epithelial cells. 5. […]

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