Under the microscope, she observed hundreds of animalcules darting through the pond water.

The naturalist carefully sketched an animalcule he observed under the microscope and pondered its place in the tree of life.

After observing countless tiny creatures under the microscope, the scientist described the water sample as animalculous.

In the 18th century, some physicians revived animalculism to explain sudden fevers and skin eruptions.

Under the microscope, I noted hundreds of wheel animalcules spinning serenely in the pond water.

The pond under the microscope was teeming with slipper animalcules drifting in the sunlight.

Under the microscope, the researcher observed several eye animalcules moving along the tear film.

Under the microscope, the globe animalcules swam in slow circles around the algae.

Under the microscope, I watched several bell animalcules attach themselves to the aquatic plant.

The biologist examined a wheel animalcule under the microscope and noted its cilia-driven feeding behavior.