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Fig. 10: pt - longitudinal section along a CVC radial arm

Although this collecting canal (col) may be artificially swollen at two sites it is encircled by the structural microtubules (mt). Smooth spongiome (ss) forms a mesh around the collecting canal and these microtubules. Decorated tubule bundles of the decorated spongiome (ds) are sparsely scattered peripheral to the smooth spongiome. tric, trichocyst. EM taken on 7/8/96 by R. Allen with Zeiss 10A TEM. Neg. 9,780X, Bar = 0.5 µm.
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