protozoan

Example Sentences

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Giardia duodenalis is a microscopic protozoan parasite known for causing outbreaks of severe diarrhea.

From Science Daily • Dec. 21, 2025

A research team placed Halteria ciliates—a type of protozoan with hairlike organelles found in freshwater worldwide—in a petri dish with only chloroviruses, which infect green algae.

From Science Magazine • Jan. 11, 2023

It's a protozoan, similar to the malaria parasite.

From Salon • Nov. 1, 2022

One common protozoan disease known to occur in birds, which evolved from feathered dinosaurs, as well as in people is called trichomoniasis, caused by a parasitic protozoan.

From Reuters • Oct. 1, 2022

There is another protozoan, called blepharisma, telling a long story about the chanciness and fallibility of complex life.

From "The Lives of a Cell" by Lewis Thomas