sarcotubules

sarcotubules
The continuous system of membranous tubules in striated muscle that corresponds to the smooth endoplasmic reticulum of other cells.

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sar·co·tu·bules (sahr″ko-tooґbūlz) membrane-limited structures that extend throughout the sarcoplasm and form a closely meshed canalicular network around each myofibril.

Medical dictionary. 2011.

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  • terminal cisterns — pairs of transversely oriented channels that are confluent with the sarcotubules, which together with an intermediate T tubule constitute a triad of skeletal muscle. See also T system, under system; T tubule, under tubule; and triad of skeletal… …   Medical dictionary

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