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Vermicularis Information and Courses from MediaLab, Inc.

These are the MediaLab courses that cover Vermicularis and links to relevant pages within the course.

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Laboratories Individuals

CLIA Microbiology / Serology Review
This suspicious form, seen in a scotch tape prep, measures 54 micro meters by 28 micro meters.View Page
Which one of the following parasites must migrate through the circulation before maturing in the portal venous system:View Page

The Urine Microscopic: Microscopic Analysis of Urine Sediment
Parasites which can be found in urinary sediment include all of the following EXCEPT:View Page
What element is present in this slide?View Page
Parasites

Parasites which may be found in urinary sediments include Trichomonas vaginalis, Enterobius vermicularis and Schistosoma haematobium. It is also important to note that parasites and parasitic ova may be seen in urine sediments as a result of fecal or vaginal contamination. This slide shows examples of Trichomonas vaginalis. In the female, Trichomonas is usually found as a contaminant from vaginal infection and is often accompanied by an increase in the number of white cells. Trichomonas is highly motile, measuring 5 - 15 microns with a characteristic pear shape. It has multiple anterior flagella and the nucleus is often apparent.

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Enterobius Vermicularis Pinworm Ova

Another parasite which may be seen in urine is the Enterobius vermicularis (pinworm) ova. The ovum is ovoid in shape with one side flattened. The embryo is separated from the shell by a clear space.

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High Power of Enterobius vermicularis Ova

On high power brightfield, the larva of Enterobius vermicularis can be seen within the thick hyaline shell. The egg measures 25 X 55 microns.

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Phase-Contrast of Enterobius vermicularis

On phase contrast, the larva appears darker. Note the clear space surrounding the larva.

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Match the following:View Page
True or false? This slide shows Enterobius vermicularis (pinworm).View Page