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  1. Cilium - Wikipedia

    There are two major classes of cilia: motile and non-motile cilia, each with two subtypes, giving four types in all. [5] A cell will typically have one primary cilium or many motile cilia. [6]

  2. Cilia: Structure, Formation, Types, Functions, Examples

    Nov 8, 2023 · Cilia are tiny hair-like appendages present on the eukaryotic cell surface that provides a means of locomotion to different protozoans and animals. The term ‘cilia’ is a Latin …

  3. Cilia: function, definition, types | Kenhub

    Oct 30, 2023 · The cilium (plural: cilia) is a microtubule-based organelle that projects from the cellular membrane of many cells. Cilia can be divided into two types: motile and non-motile. …

  4. Cilium - Definition, Function and Structure | Biology Dictionary

    Jun 25, 2017 · A cilium, or cilia (plural), are small hair-like protuberances on the outside of eukaryotic cells. They are primarily responsible for locomotion, either of the cell itself or of …

  5. Cilium | Definition, Function, & Facts | Britannica

    Cilium, short eyelashlike filament that is numerous on tissue cells of most animals and provides the means for locomotion of protozoans of the phylum Ciliophora. Cilia may be fused in short …

  6. What Are Cilia and How Are They Viewed Under a Microscope?

    Jul 29, 2025 · Cilia are slender, microscopic projections that extend from the surface of many eukaryotic cells, resembling tiny hairs. Their fundamental structure includes a central core …

  7. Cilia - the prodigal organelle - PMC

    Cilia are the oldest known cellular organelle, first described in 1675 by Anthony van Leeuwenhoek in protozoa [1]. He described them as 'incredibly thin feet, or little legs, which were moved very …

  8. Cilia And Flagella - Definition, Structure, Functions and FAQs

    Jul 23, 2025 · Primary cilia and sensory cilia are the usual names of non-motile cilia. In vertebrates, the cilia are usually single, non-motile in nature and act as a cellular antenna.

  9. CILIA Definition & Meaning - Merriam-Webster

    The meaning of CILIUM is a minute short hairlike process often forming part of a fringe; especially : one on a cell that is capable of lashing movement and serves especially in free unicellular …

  10. Ciliate - Wikipedia

    The ciliates are a group of alveolates characterized by the presence of hair-like organelles called cilia, which are identical in structure to eukaryotic flagella, but are in general shorter and …