cilium
US /ˈsɪl.i.əm/
・UK /ˈsɪl.i.əm/
B2
n. (c./u.)Noun (Countable/Uncountable)a tiny, hair-like structure that protrudes from the surface of certain cells in living organisms.
The movement of the cilium helps to clear mucus and debris from the respiratory tract, which is important for maintaining healthy lung function.
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