Hall, Richard P. Formerly, University of California, Los Angeles, California.
- Cellular inclusions
- Endoparasitic species
- Additional Readings
An order of Lobosia without protective coverings (tests). These protozoa range in size from about 4 micrometers to 0.08–0.12 in. (2–3 mm). Pellicles may be thin, as in Amoeba proteus, or thicker and less flexible, as in Thecamoeba verrucosa (Fig. 1a). Pellicular folds may develop during locomotion, particularly in species with thick pellicles. Both flagellate and ameboid stages occur in certain soil amebas. In Naegleria, for example, the cycle includes an ameba, a flagellate, and a cyst. Most Amoebida have no flagellate stage.
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