File:Cilium cartoon.jpg

From Embryology

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Cilium cartoon

(plural, cilia)

Cilia are epithelial cell surface microtubule based specialisations.

Cilia are thin, tail-like projections extending approximately 5–10 micrometers outwards from the cell body. Cilia contain microtubules organised into a 9+2 arrangement.

There are two types of cilia, motile cilia and non-motile cilia.

  1. Motile cilia (respiratory epithelia, trachea, uterine tube, ependymal cells) move and constantly beat in a single direction, resulting in movement of the overlying fluid.
  2. Non-motile cilia lack dynein arms and are associated with sensory system epithelium (olfactory epithelium).


Respiratory Histology: Bronchiole | Alveolar Duct | Alveoli | EM Alveoli septum | Alveoli Elastin | Trachea 1 | Trachea 2 | labeled lung | unlabeled lung | Respiratory Bronchiole | Lung Reticular Fibres | Nasal Inferior Concha | Nasal Respiratory Epithelium | Olfactory Region overview | Olfactory Region Epithelium | Histology Stains


Links: Human nodal cilia SEM image

Reference

http://en.wikipedia.org/wiki/File:Eukaryotic_cilium_diagram_en.svg

Copyright

This work has been released into the public domain by its author, LadyofHats. This applies worldwide.

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current14:41, 3 April 2013Thumbnail for version as of 14:41, 3 April 2013800 × 682 (114 KB)Z8600021 (talk | contribs)==Cilium cartoon== ===Reference=== http://en.wikipedia.org/wiki/File:Eukaryotic_cilium_diagram_en.svg ====Copyright==== This work has been released into the public domain by its author, LadyofHats. This applies worldwide.