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Figure 8.6 Cortical alveoli below the plasma membrane of C. velia. Section through the
periphery of a vegetative cell reveals the presence of flat electron-dense alveoli and a
single layer of underlying microtubules (scale bar¼200 nm).
Figure 8.7 Membranes of the C. velia plastid. Arrowheads point to four membranes sur-
rounding this secondary plastid. Note the arrangement of thylakoids in stacks of three
(scale bar¼100 nm).
Figure 8.8 Scanning electron microscopy of C. velia flagellated zoospores. The elon-
gated zoospores are equipped with two heterodynamic flagella. The shorter flagellum
contains a typical finger-like projection (scale bar¼1 m m). The left panel is reprinted from
Oborník et al. (2011) , Copyright (2011), with permission from Elsevier 2011.
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