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Amoeba_movement_timelapse.ogv (Ogg Theora video file, length 25 s, 640 × 480 pixels, 862 kbps, file size: 2.56 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Clockwise from top right: Amoeba proteus, Actinophrys sol, Acanthamoeba sp., Nuclearia thermophila., Euglypha acanthophora, neutrophil ingesting bacteria. An amoeba (/ ə ˈ m iː b ə /; less commonly spelled ameba or amœba; pl.: amoebas (less commonly, amebas) or amoebae (amebae) / ə ˈ m iː b i /), [1] often called an amoeboid, is a type of cell or unicellular organism with the ability ...
In Amoeba, the pseudopodia are approximately tubular, and rounded at the ends (lobose). The cell's overall shape may change rapidly as pseudopodia are extended and retracted into the cell body. An Amoeba may produce many pseudopodia at once, especially when freely floating. When crawling rapidly along a surface, the cell may take a roughly ...
Archamoebae are a diverse group of amoebae.Many have flagella for motility, while others do not. They grow in the absence of oxygen, though some can tolerate small amounts
The heterolobosean pathogen Naegleria fowleri can behave as an amoeba (center) or as a flagellate (right). An amoeboflagellate ( pl. amoeboflagellates ) is any eukaryotic organism capable of behaving as an amoeba and as a flagellate at some point during their life cycle.
An amoeba of the genus Mayorella (Amoebozoa, Discosea) Amoebozoa is a large and diverse group, but certain features are common to many of its members. The amoebozoan cell is typically divided into a granular central mass, called endoplasm, and a clear outer layer, called ectoplasm. During locomotion, the endoplasm flows forwards and the ...
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From a fluid dynamical perspective, [32] their relatively large size and easy culturing conditions allow for precise studies of their motility, the flows they create with their flagella, and interactions between organisms, while their high degree of symmetry simplifies theoretical descriptions of those same phenomena.