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H band

 

Definition: the paler area in the center of the A band of a striated muscle fiber, comprising the central portion of thick (myosin) filaments that are not overlapped by thin (actin) filaments.

Synonym(s): H disc, Hensen disc, Hensen line

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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