Undulipodia and Centrioles

  • A. Frey-Wyssling
Part of the Protoplasmatologia book series (PROTOPLASMATOL., volume 3 / G)


Flagella and cilia have similar diameters (around 0.2 μm) and the same ultrastructure. This fact justifies the common term undulipodium for the two types of motile organelles. Their only difference is in length (cilia 5–10 μm, flagella up to or over 150 μm) and in number per cell. The flagellates carry one flagellum or two unequal flagella (Heterokontae), while the ciliates are equipped with a great number of cilia.


Basal Body Ciliated Epithelium Condensation Form Elementary Fibril Bacterial Flagellum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag/Wien 1973

Authors and Affiliations

  • A. Frey-Wyssling
    • 1
  1. 1.ZürichSwizterland

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