gram : negative rod shape motile oxidase :negative catalse :positive citrate : positive indole : negative urease :negative ferments lactose with gas production during a 48-hour incubation ...

have a single nucleus, which have a centrally placed karyosome and uniformly distributed peripheral chromatin. This typical appearance of the nucleus is not always observed as some ...

 

Fatty casts are identified by the presence of refractile lipid droplets within the protein matrix of the cast. The background matrix of the cast may be hyaline or granular in nature. ...

A pipette, pipet, pipettor or chemical dropper is a laboratory tool commonly used in chemistry, biology and medicine to transport a measured volume of liquid, often as a media dispenser. ...

Gram-negative Aerobic motile positive catalase test positive oxidase test. fruity odor absence of gas formation from glucose indole negative methyl red negative citrate positive. secretion ...

Trichuris trichiura eggs are 50-55 micrometers by 20-25 micrometers. They are barrel-shaped, thick-shelled and possess a pair of polar “plugs” at each end. The eggs are unembryonated ...

Purpose The oxidase test is a biochemical reaction that assays for the presence of cytochrome oxidase, an enzyme sometimes called indophenol oxidase. In the presence of an organism ...

 

Struvite crystals (magnesium ammonium phosphate, triple phosphate) usually appear as colorless, 3-dimensional, prism-like crystals (“coffin lids”). Occasionally, they instead ...