Sentence examples for parasites were seen from inspiring English sources

After 2 hours of interaction, no attached parasites were seen since the parasites had been ingested.

Slides were declared negative if no parasites were seen after examining 100 microscope fields.

Slides were declared negative if no parasites were seen in 400 fields on the thick film.

Morphologically abnormal parasites were seen in films from every vaccinated volunteer (n = 24) in this study.

A smear was considered negative if no parasites were seen after review of 100 high-power fields.

That is, similar numbers of fluorescing parasites were seen in control and knockdown mosquitoes at 24 h post-infection.

Following the removal of antibody pressure, a decreased growth rate of these parasites was seen compared to that of control parasites.

Aggregation of the parasites was seen with adult hosts harbouring 86% of the total abomasal parasite burden whilst yearlings harboured 8% and calves 6%.

As mentioned above, strains of trypanosomes that give fleeting low parasitaemias in rodents can usually be adapted to them by making serial passages in rodents as soon as the parasites are seen.

Plasmodium falciparum was detected in blood exams (the parasite was seen in thick blood smears, and antigens were also positive).

Slides were declared negative if no parasite was seen in 200 oil-immersion fields at 1000 times magnification following reads by two microscopists.