Assertion: cardiac muscle's t tubule | /r/HasProperty | primary location
Facets:
value: for excitation-contraction coupling
type: PURPOSE
Source sentences:
text: As the T-tubules are the primary location for excitation-contraction coupling, the ion channels and proteins involved in this process are concentrated here - there are 3 times as many L-type calcium channels located within the T-tubule membrane compared to the rest of the sarcolemma.