Cilium and flagellum structure,artwork

Numéro d’image : 11596237
Cilium and flagellum structure,artwork
Cilium and flagellum structure,artwork. Cilia and flagella (collectively known as undulipodia) are hair-like protrusions from a cell membrane. They have the same structure,but cilia are generally shorter and more numerous. The core,or axoneme (left),contains 20 microtubules (white and yellow circles),arranged as a central pair surrounded by nine other pairs,or doublets. Attached to each outer doublet are two dynein arms (red). Dynein is a motor protein that converts chemical energy into a sliding movement that causes the undulipodium to beat. At the base is a basal body (grey and yellow),which is made of of nine triplets of microtubules around a hollow centre
Licence : Droits gérés
Crédit: Science Photo Library / Leroy, Francis / Biocosmos
Taille de l’image : 5000 px × 3520 px
Model Release : Non requis
Property Release : Non requis
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