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Medical Term:

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

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