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Medical Term:

tubulus transversus

 

Definition: a tubular invagination of the sarcolemma of skeletal or cardiac muscle fibers that surrounds myofibrils as the intermediate element of the triad in skeletal muscle and the diad in cardiac muscle; involved in transmitting the action potential from the sarcolemma to the interior of the myofibril.

Synonym(s): T tubule

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