Assertion: cardiac muscle | /r/MadeOf | t tubules
Facets:
Source sentences:
text: cardiac muscle also contains T tubules that propagate action potentials throughout cardiac muscle (receive depolarizing events from adjacent cells via gap junctions, but these signals need to be simultaneously transmitted throughout the entire muscle cell, not just periphery)
text: The cardiac muscle contains striations (which are alternatively thick and thin segments), T-tubules and intercalated discs.