Niesseria Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Niesseria and links to relevant pages within the course.
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| Identification of bacteria Identification of bacteria in direct smears may be of lifesaving importance. For example, a rapid diagnosis of bacterial meningitis, made after examining a gram stained smear of the patient's cerebrospinal fluid, allows the physician to begin treatment immediately.The appearance of bacteria on gram stained smears is suggestive of a certain species, but identification may not be made on the basis of the stain alone. An exception to this rule is the presence of gram negative intracellular diplococci from a male urogenital specimen, which is presumptive identification of Niesseria gonorrhoeae.In addition, culture results can be correlated with the direct smear report.
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| Gram negative diplococci When gram negative diplococci with flattened, adjacent sides occur within white cells, it may indicate the presence of Neisseria. An example of diplococci with flattened adjacent sides, probably representing Neisseria is shown by the arrow. | View Page |