The biologist carefully observed a slipper animalcule under the microscope.

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

Under the microscope, the scientist was amazed to observe dozens of animalcula moving in the drop of pond water.

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

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

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

Under the microscope, the pond water revealed an animalculine world, teeming with tiny, wriggling organisms.

The naturalist peered through the microscope and marveled at the tiny globe animalcule, once thought to be a singular creature but later identified as a colony of microscopic algae.

The microscope revealed an eye animalcule gliding through the drop of pond water.

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