paramecium

Each is a rectangle about 300 micrometers long and 200 micrometers wide, roughly the size of a paramecium.

From Science Magazine ● Mar. 7, 2024

I would not want to draw the line, but I would expect that a paramecium or an earthworm, likely does not show shame or embarrassment or guilt.

From Salon ● Sep. 10, 2023

The book takes us from the clumsy inquisitiveness of an upstart paramecium searching for food several hundred million years ago to the restless seeking that propelled big-brained Homo sapiens into the space age.

From Nature ● Jan. 27, 2020

Others are covered in rows or tufts of tiny cilia that they coordinately beat to swim—typically paramecium.

From Textbooks ● Jan. 1, 2015

If you wanted to see with your naked eye a paramecium swimming in a drop of water, you would have to enlarge the drop until it was some forty feet across.

From "A Short History of Nearly Everything" by Bill Bryson

For example, paramecia and amoebas, which are protists that lack cell walls, have contractile vacuoles.

From Textbooks ● Jun. 9, 2022

Dr. Sonneborn discovered that sensitive paramecia can be turned into killers at will.

From Time Magazine Archive

Classical genetics took some punishment from Professor T. M. Sonneborn of Indiana University, who headed a symposium on paramecia.

From Time Magazine Archive

Roskin proceeded to test the serum of cancerous rabbits, then of human patients, found to his delight that when properly prepared, it was highly toxic to paramecia.

From Time Magazine Archive

In the boiling water the frankfurters swished and lashed like artificially colored and magnified paramecia.

From "A Confederacy of Dunces" by John Kennedy Toole