pseudopodia

(noun)

temporary projections of eukaryotic cells

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Examples of pseudopodia in the following topics:

  • Rhizaria

    • Rhizaria are a supergroup of protists, typically amoebas, that are characterized by the presence of needle-like pseudopodia.
    • The Rhizaria supergroup includes many of the amoebas, most of which have threadlike or needle-like pseudopodia .
    • Pseudopodia function to trap and engulf food particles and to direct movement in rhizarian protists.
    • Foram pseudopodia extend through the pores and allow the forams to move, feed, and gather additional building materials.
    • Ammonia tepida, a Rhizaria species viewed here using phase contrast light microscopy, exhibits many threadlike pseudopodia.
  • Amoebozoa and Opisthokonta

    • Amoebozoa are a type of protist that is characterized by the presence of pseudopodia which they use for locomotion and feeding.
    • The amoebozoans are classified as protists with pseudopodia which are used in locomotion and feeding.
    • In addition to the defining pseudopodia, they also lack a shell and do not have a fixed body.
    • The pseudopodia which are characteristically exhibited include extensions which can be tube-like or flat lobes, rather than the hair-like pseudopodia of rhizarian amoeba .
    • Amoebae with tubular and lobe-shaped pseudopodia, such as the ones seen under this microscope, would be morphologically classified as amoebozoans.
  • Cell Structure, Metabolism, and Motility

    • Other protists, such at amoebae, form cytoplasmic extensions called pseudopodia anywhere on the cell, anchor the pseudopodia to a surface, and pull themselves forward.
    • (b) An amoeba uses lobe-like pseudopodia to anchor itself to a solid surface and pull itself forward.
  • Types of Microorganisms

    • Protozoa have been traditionally divided based on their mode of locomotion: flagellates produce their own food and use their whip-like structure to propel forward, ciliates have tiny hair that beat to produce movement, amoeboids have false feet or pseudopodia used for feeding and locomotion, and sporozoans are non-motile.
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