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The monokinetids (single somatic basal bodies) of Coleps
hirtus bear an anteriorly directed kinetodesmal (kd) fiber
and a posteriorly directed ribbon of postciliary microtubules (pc
mt) that arises from the posterior side of a basal body. Both pass
to the same side of the row of basal bodies. Transverse microtubules
(tr mt) arise from the anterior side of the basal body and pass
to the other side of the row of basal bodies. These structures
presumably give support to the twisting movements of the beating
cilium. mu, mucocysts. EM taken on 5/23/69 by R. Allen with
Philips 300 TEM. Neg. 14,800X. Bar = 0.5µm.
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