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The radial arms of the CVC each contain a collecting canal
(col) enclosed by a microtubular ribbon (arrowheads)
split lengthwise into several smaller ribbons, a meshwork of smooth
spongiome (ss) and, peripheral to this, the bundles of tubules
of the decorated spongiome (ds). The microtubules along the
collecting canal (col) are immunogold-labeled with anti-b-tubulin as are some single microtubules in
the area. tric, trichocyst. EM taken on 7/8/96 by R. Allen with
Zeiss 10A TEM. Neg. 7,900X. Bar = 1 µm.
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