Microscopic Organisms

noun a protozoan or other organism with cilia

adjective having minute hairs or cilia

• The ciliate cells in the organism have tiny hair-like structures called cilia.
• I learned about ciliate organisms in my biology class.
• Check out that cool ciliate under the microscope!
• His argument was as intricate as a ciliate organism.

noun a microscopic organism, especially a protozoan or other simple animal

• Under the microscope, the scientist observed the movement of the tiny animalcules in the water sample.
• I can't believe how small those animalcules are! They're like little bugs swimming around.
• Those animalcules are so tiny, they're practically invisible!
• The gossip spread through the office like a swarm of animalcules, infecting everyone with curiosity.

noun a microscopic, water-dwelling animal known for its ability to survive extreme conditions

• Tardigrades, also known as water bears, are microscopic animals with unique abilities to survive extreme conditions.
• Did you know tardigrades are also called water bears?
• Tardigrades are like the ultimate survival champs in the microscopic world.
• The tardigrade's resilience is like a superpower that defies all odds.

noun a type of marine protozoan characterized by a spiny skeleton made of strontium sulfate

• The acantharian is a type of marine organism with a unique skeletal structure.
• I read an interesting article about acantharians and their role in the ocean ecosystem.
• Those little acantharians are pretty cool looking, don't you think?
• Her thoughts floated like acantharians in the vast ocean of her mind.

noun a type of protozoan belonging to the Actinophryidae family

• The actinophryan is a type of marine protozoan that is characterized by its radiating pseudopodia.
• I saw a cool video of an actinophryan capturing its prey with its tentacle-like arms.
• That actinophryan looks like something out of a sci-fi movie!
• Her creativity radiates outwards like the pseudopodia of an actinophryan.

noun a genus of freshwater protozoans characterized by a spherical shape and radiating pseudopods

• Actinosphaerium is a genus of freshwater protozoa characterized by a spherical shape and radiating spines.
• I saw a cool video of actinosphaerium moving under a microscope.
• That actinosphaerium looks like a tiny alien spaceship!
• The actinosphaerium's spines reminded me of a sunburst in the sky.

noun a microorganism that lacks flagella

adjective describing an organism that does not have flagella

• Aflagellate organisms lack flagella for movement.
• The aflagellate bacteria don't have tails like other bacteria do.
• Those aflagellate critters can't swim around like the others.
• His speech was aflagellate, lacking any movement or energy.