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Fig. 8: specialized ER tubules with surface decorations

Specialized ER modified into decorated tubules that lie on the surface of myonemes. The composition and function of the decorations have not been determined but they may be calcium pumps or calcium channels. EM taken on 6/6/69 by R. Allen with Philips 300 TEM. Neg. 11,800X. Bar = 0.1µm.
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