Larva Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Larva and links to relevant pages within the course.
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| This suspicious form was found in stool. | View Page |
| The infective stage for all of the intestinal amoebae is the: | View Page |
| The infective stage for all of the intestinal amebae is the: | View Page |
| Match each parasite listed here with its corresponding infective stage: | View Page |
| Which of the following parasites may be contracted by swimming in contaminated water? | View Page |
| Arrange the following phases of the Wuchereria bancrofti life cycle in order beginning with human transmission: | View Page |
| This suspicious form was recovered in muscle tissue. | View Page |
| This suspicious form was found in stool. | View Page |
| This suspicious form was recovered in stool. | View Page |
| Which of the following parasites is the causative agent of swamp fever? | View Page |
| The non-feeding, infective stage of the ameba is known as a/an: | View Page |
| Match each parasite listed here with its respective classification: | View Page |
| The only nematode egg that is characteristically flattened on one side is: | View Page |
| The morphologic structure of select tapeworms that is most likely responsible for piercing the human intestinal wall is/are called: | View Page |
| Label the morphologic structures on this parasite form: | View Page |
| An 18 year old female athlete, who recently competed in a barefoot run for charity in Southern Georgia, presented to her doctor for a routine check-up. Other than complaining of being exhausted and having occasional diarrhea, she was in good health. The doctor ordered a stool for culture and parasite examination. The culture was negative. Numerous suspicious forms, as that shown here, were seen upon microscopic examination of the stool. The name of this suspicious form is: | View Page |
| A 40 year old male just returned from a six-month tour of the Far East. He went to his doctor upon his return complaining of weakness, diarrhea, fever and cough. Upon questioning the patient it was learned that he spent many an evening swimming in the various local fresh water ponds. The doctor, suspicious of a parasitic infection, ordered a stool for examination. Two suspicious forms were seen: form 1 is roundish and measures 77 µm by 62 µm. Form 2 is long and ladder-like and lays on the edge of form 1. What are these two structures? | View Page |
| A stool collected at a local doctor's office was received in the laboratory for parasitic examination. The sample was not received in fixative and due to the new courier system did not arrive in the lab within the traditionally acceptable time frame. Due to logistical difficulties of the patient collecting and submitting another sample, the laboratory director authorized the sample to be processed. The comment "specimen delayed in transit, please evaluate results accordingly" was included in the report. These two suspicious forms were seen upon examination of the specimen. Label these two forms: | View Page |
| This parasite was recovered in a veterinary stool sample. Which of the following human parasites does it most closely resemble. | View Page |
| 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. | View Page |
| Phase-Contrast of Enterobius vermicularis On phase contrast, the larva appears darker. Note the clear space surrounding the larva. | View Page |