Assertion: sarcoplasmic reticulum | /r/CapableOf | release calcium ions
Facets:
value: to stimulate a muscle contraction
type: PURPOSE
value: from the gated membrane channels
type: TRANSITIVE-OBJECT
Source sentences:
text: The sarcoplasmic reticulum serves as reservoir for calcium ions, so when an action potential spreads over the T tubule, it signals the sarcoplasmic reticulum to release calcium ions from the gated membrane channels to stimulate a muscle contraction.