This section shows one primary meridian (1o) that
includes cilium/basal body complexes as well as mucocysts and two
secondary meridians (2o) containing only mucocysts.
A longitudinal ribbon (lo mt) lies at the crest of the
pellicular ridge. Alveolar septa (arrowheads) lie along both
meridians. Mucocyst tips (arrows) poke through these septa.
poly, polysomes; m, mitochondrion; per,
peroxisome; dic, dictyosome; tr mt, transverse
microtubules; pc mt, postciliary microtubules; kd,
kinetodesmal fiber; ps, parasomal sac. EM taken on 1/29/65 by
R. Allen with RCA TEM. Neg. 16,000X. Bar = 0.5µm. Part published in J.
Protozool. 14:553-565, 1967.
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