A single-celled microscopic animal of a group of phyla of the kingdom "Protista", such as an amoeba, flagellate, ciliate, or sporozoan.
- ‘Schindler says more of a problem are the protozoans that originate from livestock.’
- ‘Each year, 300 to 500 million people contract this mosquito-borne protozoan disease, and about one million die.’
- ‘They have been considered animals, protozoans, fungi or space aliens.’
- ‘I devoured photographs showing the ghostly glow of bacteria on decaying fish: the shimmering phosphorescence of protozoans in tropical seas.’
- ‘It is caused by the single-celled protozoan parasite, Trichomonas vaginalis.’
Relating to or denoting protozoans.
- ‘The contact time with the iodine in the filter may be too short to kill protozoan cysts, however.’
- ‘Twice weekly, independent protozoan samples were obtained from each compartment to determine the size of the resident P. aurelia population.’
- ‘Giardia lamblia is one of the most widespread intestinal protozoan parasites.’
- ‘Less critical than refugia, prey switching also plays a role in protozoan persistence.’
- ‘Malaria is an example of a disease caused by a vector-borne protozoan parasite.’
We take a look at several popular, though confusing, punctuation marks.