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  2. Cilium - Wikipedia

    en.wikipedia.org/wiki/Cilium

    Some motile cilia lack the central pair, and some non-motile cilia have the central pair, hence the four types. [5] [7] Most non-motile cilia, termed primary cilia or sensory cilia, serve solely as sensory organelles. [8] [9] Most vertebrate cell types possess a single non-motile primary cilium, which functions as a cellular antenna.

  3. Ciliopathy - Wikipedia

    en.wikipedia.org/wiki/Ciliopathy

    A ciliopathy is any genetic disorder that affects the cellular cilia or the cilia anchoring structures, the basal bodies, [1] or ciliary function. [2] Primary cilia are important in guiding the process of development, so abnormal ciliary function while an embryo is developing can lead to a set of malformations that can occur regardless of the particular genetic problem. [3]

  4. Ciliate - Wikipedia

    en.wikipedia.org/wiki/Ciliate

    Cilia occur in all members of the group (although the peculiar Suctoria only have them for part of their life cycle) and are variously used in swimming, crawling, attachment, feeding, and sensation. Ciliates are an important group of protists , common almost anywhere there is water—in lakes, ponds, oceans, rivers, and soils, including anoxic ...

  5. Microtubule organizing center - Wikipedia

    en.wikipedia.org/wiki/Microtubule_organizing_center

    The MTOC reorients itself during signal transduction, primarily during wound repair or immune responses. [5] The MTOC is relocalized to a position between the edge of the cell and the nucleus in cells like macrophages, fibroblasts, and endothelial cells. Organelles like the Golgi apparatus aid in the reorientation of the MTOC which can occur ...

  6. Primary ciliary dyskinesia - Wikipedia

    en.wikipedia.org/wiki/Primary_ciliary_dyskinesia

    Primary ciliary dyskinesia (PCD) is a rare, autosomal recessive genetic ciliopathy, that causes defects in the action of cilia lining the upper and lower respiratory tract, sinuses, Eustachian tube, middle ear, fallopian tube, and flagella of sperm cells.

  7. Intraflagellar transport - Wikipedia

    en.wikipedia.org/wiki/Intraflagellar_transport

    Intraflagellar transport in the cilia of the nematode C. elegans. Intraflagellar transport (IFT) is a bidirectional motility along axoneme microtubules that is essential for the formation (ciliogenesis) and maintenance of most eukaryotic cilia and flagella. [1]

  8. Suctoria - Wikipedia

    en.wikipedia.org/wiki/Suctoria

    Suctoria reproduce primarily by budding, producing swarmers that lack both tentacles and stalks but have cilia. They may also reproduce through conjugation, which is peculiar in involving cells of different size and often involves total fusion. The way buds form is the primary distinction between different orders of suctoria.

  9. Ciliary muscle - Wikipedia

    en.wikipedia.org/wiki/Ciliary_muscle

    When the ciliary muscle contracts, it pulls itself forward and moves the frontal region toward the axis of the eye. This releases the tension on the lens caused by the zonular fibers (fibers that hold or flatten the lens). This release of tension of the zonular fibers causes the lens to become more spherical, adapting to short range focus.