A single luminally continuous sarcoplasmic reticulum with apparently separate Ca2+ stores in smooth muscle

John G McCarron1, Marnie L Olson

  • 1Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, John Arbuthnott Building, 27 Taylor Street, Glasgow G4 0NR, Scotland, United Kingdom. john.mccarron@strath.ac.uk

Summary

The sarcoplasmic reticulum (SR) in smooth muscle cells is a single, continuous network. Calcium ions (Ca2+) can freely diffuse throughout this interconnected structure, regardless of receptor type.

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