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dynein arm

 

Definition: a structure extending clockwise from one tubule of each of the nine doublet microtubules toward the adjacent doublet in the axoneme of cilia or flagella (including human sperm tails); congenital absence of dynein, reflected structurally by absence of dynein arms; can account for symptoms seen in Kartagener syndrome an immotile cilia syndrome.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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