Meaning & use
Cilia
Last updated
Tiny, hair-like structures projecting from the surface of a cell that move rhythmically to create currents or aid movement.
See it in a sentence
The cilia lining the respiratory tract sweep mucus and trapped particles out of the lungs.
Some single-celled organisms use cilia to propel themselves through water.
A note on using this word
Plural of "cilium," from Latin for "eyelash," reflecting their small, hair-like appearance under a microscope.
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