nexin

{{Short description|Protein in undulipodia}}

File:Eukaryotic flagellum.svg

Nexin is a proteinous inter-doublet linkage that prevents microtubules in the outer layer of axonemes from moving with respect to one another; otherwise, vesicular transport proteins such as dynein would dissolve the whole structure.{{cite book |author=Walter F., PhD. Boron |title=Medical Physiology: A Cellular And Molecular Approach |publisher=Elsevier/Saunders |year=2003 |pages=1300 |isbn=1-4160-2328-3 }} Page 26