| 释义 |
T tubule tu·bu·lus trans·ver'·susa 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 tubuleT tu·bule (tū'byūl) The transverse tubule that passes from the sarcolemma across a myofibril of striated muscle; it is the intermediate tubule of the triad. |