This view shows a transverse ridge cut with its sloping side lying
tangentially in the section plane. The granulo-fibrillar (gf)
filled peaks are prominent. Striated bands (sb) appear
sectioned closer to their mid-sections, probably in areas of filament
overlap. The outer alveolar membrane is not usually continuous with
the inner alveolar membrane at the tips of the ridges. pc mt,
postciliary microtubules; il, infraciliary lattice. EM taken on
11/11/70 by R. Allen with Hitachi HU11A TEM. Neg. 37,700X. Bar =
0.1µm.
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