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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: 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. …

  3. 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 …

  4. Cilia Structure and Function in Human Disease - PMC

    In addition to the major roles of cilia in respiratory health, male fertility, and left-right determination, motile cilia are found in the brain, in the female reproductive tract, and the efferent ducts of the …

  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 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.

  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 …

  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. What Is Cilia Function and Its Importance to Health?

    Cilia are tiny, hair-like structures projecting from the surface of nearly all human cells. These microscopic protrusions are fundamental components of cellular biology, playing diverse roles …