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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 term meaning …

  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, & 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 transverse …

  5. 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 called the axoneme, …

  6. 3.12: Cilia - Biology LibreTexts

    These whiplike appendages extend from the surface of many types of eukaryotic cells. If there are many of them, they are called cilia. If only one, or a few, they are flagella. Flagella also tend to be longer …

  7. On the unity and diversity of cilia - PMC

    Cilia are specialized cellular organelles that are united in structure and implicated in diverse key life processes across eukaryotes. In both unicellular and multicellular organisms, variations on the same …

  8. Cilia – Definition, Structure, Types, Function - Biology Notes Online

    Apr 7, 2024 · Cilia are minute, hair-like structures present on the surface of numerous cell types in living creatures. They have a diameter of 0.25 to 0.5 micrometres and a length of several micrometres. …

  9. Cilia - An Overview - GeeksforGeeks

    Aug 21, 2025 · Cilia are microscopic, hair-like structures, which are protruding from the cell membrane of the eukaryotic cell. There are various functions in which Cilia helps including locomotion, signal …

  10. Cilia

    What are cilia? Cilia are slender, microscopic, hair-like structures or organelles that extend from the surface of nearly all mammalian cells. They are primordial.