Role of Sarcoplasmic Reticulum in Arterial Contraction: Comparison ...

862 Circulation Research Vol 62, No 4, April 1988
FIGURE 12. Bovine tail artery smooth muscle cell, section, 24,750x. SR, sarcoplasmic reticulum; RER, rough endoplasmic
reticulum; DB, dense body. Bar, 1 \un.
Acknowledgments
We thank Drs. W.J. Lederer and W.G. Wier for the
samples of ryanodine and nitrendipine and Dr. Wier for
valuable comments on the manuscript.
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