Cilium (source code)
= Cilium
{wiki}
= Cilia
{synonym}
A cellular projection whose structure and functions differ from the bacterial flagellar apparatus. Motile cilia can move fluid; a transport estimate must compare advection with <diffusion>.
A <eukaryotic> <cilium> contains an organized microtubule-based core. Motile forms use <dynein>-dependent sliding and bending, while many nonmotile primary cilia participate in sensing. These functions distinguish cilia from the rotary filament of a <bacterial flagellum>. <Molecular Biology of the Cell, 4th edition by Bruce Alberts and others>[Chapter 16, Cilia and Flagella]{ref}
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