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Detail of the three fibers supporting a basal body (bb). A
kinetodesmal (kd) fiber extends anteriorly from the basal body,
a postciliary microtubular (pc mt) ribbon extends posteriorly
and a transverse microtubular (tr mt) ribbon extends to the
right of the anterior-posterior axis of the row of basal bodies. Basal
bodies are composed of 9 triplet fibers each set at a tangent to the
cylinder of the long axis of the bb. iam, inner alveolar
membrane. EM taken on 3/4/69 by R. Allen with Philips 300 TEM. Neg.
39,900X. Bar = 0.25µm.
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